
Phayriosis Parasite Infection
A Large Infection Mod That Grows In Power Over Time, Also Has A Ton Of Tech For Players To Use
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- 16 августа 2026 г.
- Лицензия
- All-Rights-Reserved
Опубликован 1 марта 2026 г.
THIS MOD REQUIRES GECKOLIB AND JEI
although it will probably auto install them upon downloading :/
"JADE" HEAVILY RECCOMEDED

NOTE: this video is very outdated right now
https://discord.gg/kFXdk23Cqd<----- discord server for phayriosis
https://phayriosis.miraheze.org/ <--- Official wiki for phayriosis
logo art is by TyrantDrago
Phayriosis is split into multiple phases, the phase will increase over time. The higher the phase, the more powerful creatures spawn and the more they infect, eventually ending with them being able to infect blocks. There is MUCH more planned for this mod, and I update it every saturday. There are multiple commands to to edit things such as the phase, and the "phase hourglass" item will reveal the current phase and points.
PHASE 1 Abecedarian:
Spoiler
points: 0-200
Phayrectors (the basic infector of the mod) spawn naturally in groups of 4. They will kill and infect everything they come across, but they and the rest of the parasites will target you over any other mob because they see you as the biggest threat. The parasites' corpses cannot evolve in this phase.
PHASE 2 Conversion:
Spoiler
points: 200-3,000
Basic Converted mobs spawn naturally now in groups of 1. (Converted are the infected mobs). The corpses can now grow, they can evolve into various nodes that will hatch into stronger parasites. Most of the nodes evolve into perennial parasites (parasites that stay in one place and usually summon more parasites to defend themselves) but the Primordial egg can hatch into a group of basic+ parasites or a primal parasite (advanced parasites).
PHASE 3 Embryonic:
Spoiler
points: 3,000-10,000
Basic+ converted and other basic+ parasites will now spawn naturally. Corpses can now grow into a beckoning node and networking node. These nodes evolve into much stronger perennial parasites; the nestbeacon and nestnetwork. Although they may seem weak, that is because this is their first stage. Primordial eggs will no longer be able to hatch into a group of basic+ parasites meanign they will always hatch into an advanced or advanced+.
PHASE 4 Primordial:
Spoiler
points: 10,000-200,000
Advanced and advanced+ converted now spawn naturally (things like converted golems and converted endermen). The main part of this phase is that the nestbeacon can now evolve into a nucleus. The nucleus begins the block infection that will slowly infect the entire world. You can craft primordial reactors to permanently kill sections of it, you can also do /phayriosis_open_config command to turn it off completely. Nestperennials will also evolve into hiveperennials now (eg: nestwarden evolving into hivewarden).
PHASE 5 Invigoration:
Spoiler
points: 200,000-500,000
Other advanced parasites will now spawn naturally. (not tanks or assaulters because they are advanced+) The small converted also stop spawning naturally (like the rabbits and chickens). Nestminds can now form, and they are REALLY bad, you need to destroy them as soon as possible. They allow many other things to happen like tumors forming and the parasites becoming stronger. Also they can very rarely evolve into hiveminds. Tumors can form new parasitic biomes around them in small patches (blooming groves and rotting forests).
PHASE 6 Dreadful:
Spoiler
points: 500,000-1,000,000
Advanced+ parasites now spawn naturally (assaulter and tank). Some medium sized converted stop spawning now (wolves, skeletons, cows, and creepers). The block infection is now slightly faster. Crops now die off regardless whether they are in the biome or not (you can craft greenhouse glass to stop this from happening to certain crops). Nestminds evolve into hiveminds much faster, as well as hiveminds having the ability to evolve into dreadminds. And primordial eggs will always hatch into elite parasites.
PHASE 7 Cosmopolitan:
Spoiler
points: 1,000,000+
Elite Parasites Spawn Naturally, there can now be a total of 2 dreadminds per dimension. in fututre updates the rotting forest and blooming grove will generate naturally.
Important items:
- Phase hourglass: a cheap item that when held it shows the current progress of the phase. Can be upgraded into a mind hourglass to show how many powerful minds are present within the world.
- Personal radiation analyzer: shows how much radiation you have. If it is above 10, then the radiation has become dangerous.
- Radiation removal syringes: although the player naturally loses radiation points over time, you can speed it up by using these syringes.
- Biometal synthesis chamber and Plasma generator: these blocks are used to make plasma and biometal very quickly for a small price.
Commands:
- /phayriosis_phase_set sets the phase, if the number you input is greater than the highest phase, then it will simply set it to the current highest phase.
- /phayriosis_points_set sets the points, see above in the phase descriptions to know how many points are in each phase.
- /phayriosis_config_open opens a small gui where you can edit some options for that particular world such as: enableing/disabling the block infection from spreading, enable/disabling parasites from spawning naturally, freezing the phase so it doesn't progress, and more!
- /phayriosis_config_set_max_infectable_hardness sets the max hardness that the block infection can infect. Default is 2.9 so they can infect blocks like stone, dirt, wood etc, but not deepslate because that has a hardness of 3.
- /phayriosis_set_to_max_power sets all world stats to the max, (max phase, extremely high infectable hardness, sets the amount of minds to their max as well, etc)
You are allowed to make videos with this mod, but you MUST give credit.
And you are most definitely allowed to use this mod in your modpacks
Ченджлог
0.0.6Бета1.20.1 · 16 августа 2026 г.
Mobs:
Abhorrences have a 25% chance to fire an explosive radium projectile when firing its last of 4 shots.
Added radioactive anomalies, abhorrences can create them
Abhorrences now emit radiation to nearby non-parasite mobs
Abhorrences and monstrosities (and all future perennial, advanced, elite, etc parasites) break blocks when suffocating
Blocks:
Added block of raw biometal and block of biometal
Added oil deposits (and their generation)
Added block of oil
Added stairs, slabs, walls, of tough phayrilesh and tough phayrium
Added recipes for mossy and plagued biometal bricks, biometal grate, biometal grate slab, biometal bars, biometal door, and biometal trapdoor. Also added stonecutter recipes for chiseled biometal bricks and biometal brick pillars.
Added dravite and plutite (WIP)
Slightly retextured leeching roots and leeching tendrils
Retextured the egg pile
Retextured the plasmaslate plasma ore
Items:
Added oil droplets and rich coal
Bug fixes:
Fixed the phayriosis effect despawning modded entities when they are dead
fixed abhorrences, gory masses, and monstrosities despawning when unloaded
Fixed biometal grates not letting light through
Fixed middle clicking tough phayrium in creative mode giving you regular phayrium
0.0.5Бета1.20.1 · 1 августа 2026 г.
Mobs:
Added the monstrosity
Remodeled the converted chicken
Added the abhorrence (still WIP)
Blocks:
Added rot mini-infection and rot blocks related to it (comes from crops in the transmission subdivision, and spreads to other crops. Rotbushes are still WIP)
Added converted woodset. For future use in the block infection
Added small tendrils, tall tendrils, tendril segments, and enormous tendril segments. For future use in the block infection
Added bloodshot huge eyes, sickly huge eyes, and optic nerves. For future use in the block infection
Added rubble, slate rubble, phayrium rubble, and soil piles.
Corpses can now be mined by both axes and hoes
Nerfed the hunger draining of leeching tendrils
Retextured nest chambers and infested nest chambers
Items:
Added raw plutonium, plutonium-238 ingot, and plutonium-238 nugget
Slightly edited the raw biometal texture
Other:
Added radiation system
Added comets, they are ambience star-looking these that spawn around the world in the sky during division 1
Added the adaptation system (nowhere near finished yet btw, and they wont happen naturally. So you need to use the command)
Added a command dealing with the global adaptations
Added 2 new features that generate throughout the world replacing grass, the “rotten patches”
Added some more stuff to the division command
Rotting tissue now bypasses armor
Bug fixes:
Fixed parasites targeting the places where players died
0.0.4Бета1.20.1 · 18 июля 2026 г.
Mobs:
Added converted husks
Added gory masses, not all of their abilities have been implemented
Blocks:
Added biometal block set (door, trapdoor, and pillar textures by Delly)
Added ingesters, corpses can grow into them. They attract and consume converted parasites, the gory mass they spawn has an ability similar to one of the converted that got consumed
Added unstable phayross
Added huge eyes, creative only for now
Gave most of the parasitic blocks a classification system. Tech blocks might get one in the future, but stairs, slabs, walls, etc, won’t
Items:
Added biometal nuggets, ingots, and raw biometal
0.0.3Бета1.20.1 · 4 июля 2026 г.
Mobs:
Added converted wolves
Added converted villagers
Added converted villagers
Parasites now drop xp
Added particles for when parasites take damage
Converted cows now have a cap of 10 for how many phayrectors they consume
Converted cows have a 25% chance to create a nest when they die during the expansion subdivision
Converted creepers now break weak blocks such as leaves, glass, and fences when they explode. This and all other parasite block breaking can be turned off with /gamerule phayriosisparasitegriefing false
Blocks:
Added plasmaslate
Added leeching roots and tendrils
Added converted eggs and egg piles
Added lvl 0 of the nest system (same as phay reborn now, there are 6 total levels of the nest system planned)
Fixed some placement issues with non-full blocks
Made the color of blocks on maps more accurate
Other:
Finished the meteor structure, it is now a feature with 3 variants
Added a gamerule to disable meteor generation (all phayriosis gamerules start with “phayriosis” eg: /gamerule phayriosismeteorgeneration false)
Bug fixes:
Fixed converted cows not being affected by converted faults
Fixed infested converted webbing not slowing you down
0.0.2Альфа1.20.1 · 20 июня 2026 г.
I think i forgot some of the stuff i added- so some of the stuff wont be in this changelog
Mobs:
Added converted sheep
Added converted pig
Added converted cow (not all of its abilities have been added yet)
The parasites now drop items
Blocks:
Added meteoric rock building block set
Added meteoric rock iron ore
Added infested meteoric rock
Added nest chambers, infested nest chambers, nest cores, and infestation
Added diseased grass and diseased grass blocks
Meteoric rock can be smelted into raw iron
Items:
Added overgrown molars
Grilled converted membranes and grilled primordial membranes are now edible
Other:
Added subdivisions (they dont do much rn, but nearly every update a new ability will be added for them)
Added 2 commands, a one that sets the division and one that shows the status of the infection (most of the stuff shown in the status are not added yet)
0.0.1Альфа1.20.1 · 6 июня 2026 г.
DO NOT USE THIS "UPDATE" IN A WORLD YOU ALREADY HAVE PHAYRIOSIS REBORN IN
this is the beginning of Phayriosis 2, the second phayriosis remake
not ready for survival or really much at all, mostly just for yall to see the current progress with phay 2
the phayriosis wiki is being updated to have all the phayriosis 2 stuff in it
0.3.2.3Релиз1.20.1 · 16 мая 2026 г.
0.3.2.2
Couple other minor bug fixes
0.3.2.2
Actually fixed the crash
0.3.2.1:
Attempted to fix a crash, did not work
0.3.2.0:
Mobs:
Added the immaculate kingdom, the first immaculate elite+
Added the gory titan, another elite+
Added the converted frog, made by Whackyaxis
Converted ravagers, blightlords, gory titans, and stalkers can do a sonic boom if the sound adaptation has been discovered
Injectors can collect effects from networks, beacons, and scent perennials which they can inject into their target.
Converted witches can now only buff other converted rather than any parasite
Scent engulfers now spawn converted llamas and converted phantoms
The elite+ perennials now do 25% of the targets’ hp which caps at 30
The converted allays’ charging is now more obvious
Blocks:
Added rhizomes
Added a new largest infection structure (bloomgigantic)
Added pylons
All 3 infections now spread at the same speed
Tweaked the speed of the block infection
Tumors now grow their shell mainly out of tough phayrilesh, with only 6 crimson shells now
Nestminds now grow their shell with a thin outer layer of carapace, with the main inside bits being crimson shell
Nestminds and hvieminds now repair their shell with tough phayrilesh rather than crimson shell, and they dont repair it all at once.
Vein roots can now grow twice as tall when inside the blooming grove
Nestminds and hiveminds can do more things depending on what level of threat entities have
Reactors now make the whole chunk into the plains biome IF the reactor was previously in a parasitic biome
Nestminds, hiveminds, and tumors now obey the max hardness when infecting, rather than just assuming its 2.9
The recipe for plasma lamps now gives 3 rather than 1
Greatly reduced the amount of points that get added when nestminds and hiveminds heal their shell
Tumors are now much rarer
Renamed tumorous shell to crimson shell
Rotten plants no longer generate naturally, and now they abide by the laws of gravity
The infection has a higher chance to add points when infecting
Retextured all the barricades
Retextured the top texture of all the logs
Retextured block of refined plasma and superheated plasma
Items:
Added sluggle grenades and catalyst grenades
Added dravarium fuel
Plasmium gear is now cheaper
Retextured refined plasma and refined antiplasma
Other:
Added phase 8, still a lot to add to it. Phase sound made by ImSoSerious
Massively nerfed radiation gain from holding items
Rotting blood now has a damage cap of 10 in primordial phases and a cap of 20 in morbid phases
Completely retextured the entirety of the biometal synthesis chamber GUI
Bug fixes:
Fixed the converted allay being in perpetual charging mode
Fixed nestminds and hiveminds not repairing their shells themselves
Fixed some generation issues with tumors
Radiation removal syringes can no longer get you into the negatives of radiation points
0.3.2.2Релиз1.20.1 · 16 мая 2026 г.
0.3.2.2
Actually fixed the crash
0.3.2.1:
Attempted to fix a crash, did not work
0.3.2.0:
Mobs:
Added the immaculate kingdom, the first immaculate elite+
Added the gory titan, another elite+
Added the converted frog, made by Whackyaxis
Converted ravagers, blightlords, gory titans, and stalkers can do a sonic boom if the sound adaptation has been discovered
Injectors can collect effects from networks, beacons, and scent perennials which they can inject into their target.
Converted witches can now only buff other converted rather than any parasite
Scent engulfers now spawn converted llamas and converted phantoms
The elite+ perennials now do 25% of the targets’ hp which caps at 30
The converted allays’ charging is now more obvious
Blocks:
Added rhizomes
Added a new largest infection structure (bloomgigantic)
Added pylons
All 3 infections now spread at the same speed
Tweaked the speed of the block infection
Tumors now grow their shell mainly out of tough phayrilesh, with only 6 crimson shells now
Nestminds now grow their shell with a thin outer layer of carapace, with the main inside bits being crimson shell
Nestminds and hvieminds now repair their shell with tough phayrilesh rather than crimson shell, and they dont repair it all at once.
Vein roots can now grow twice as tall when inside the blooming grove
Nestminds and hiveminds can do more things depending on what level of threat entities have
Reactors now make the whole chunk into the plains biome IF the reactor was previously in a parasitic biome
Nestminds, hiveminds, and tumors now obey the max hardness when infecting, rather than just assuming its 2.9
The recipe for plasma lamps now gives 3 rather than 1
Greatly reduced the amount of points that get added when nestminds and hiveminds heal their shell
Tumors are now much rarer
Renamed tumorous shell to crimson shell
Rotten plants no longer generate naturally, and now they abide by the laws of gravity
The infection has a higher chance to add points when infecting
Retextured all the barricades
Retextured the top texture of all the logs
Retextured block of refined plasma and superheated plasma
Items:
Added sluggle grenades and catalyst grenades
Added dravarium fuel
Plasmium gear is now cheaper
Retextured refined plasma and refined antiplasma
Other:
Added phase 8, still a lot to add to it. Phase sound made by ImSoSerious
Massively nerfed radiation gain from holding items
Rotting blood now has a damage cap of 10 in primordial phases and a cap of 20 in morbid phases
Completely retextured the entirety of the biometal synthesis chamber GUI
Bug fixes:
Fixed the converted allay being in perpetual charging mode
Fixed nestminds and hiveminds not repairing their shells themselves
Fixed some generation issues with tumors
Radiation removal syringes can no longer get you into the negatives of radiation points
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