Nexus Infection

Additions:

+Nexus Tumor:
-A new mob that rapidly spreads the Nexus Infection across large areas, forming a micro‑biome in the process
-Has 90 HP
-Does not directly attack the player
-Spawns uncommonly in the Overworld
-Enables Dead Nexus to grow Red Cacti, Nexus Roots, Mind Saplings, and Nexus Meat within a 100‑block radius while alive
-Each Tumor has a variable lifespan (minimum 20 seconds)
-Spawns Acid Piles after finishing its spreading process
-Can generate large Dreaded Bone skeletons and Nexus Cores that further spread Dead Nexus

+Tumor Nexus:
-A block that spawns a Nexus Tumor after 15 seconds
-Can be spawned by Infectors
-Can also be created by the Player if they kill a Nexus with a Nexus Amulet, then use a Bucket on the Dripping Nexus
-Releases Nexus Acid when broken

+Nexus Meat:
-Grows on top of Dead Nexus blocks when a Nexus Tumor or Infector is within 100 blocks
-Can randomly spawn a Wrecked or an Infector, or transform into a Nexus Core removing itself in the process

Changes:

Infector:
-Allows Dead Nexus to grow Red Cacti, Nexus Roots, Mind Saplings, and Nexus Meat within a 100‑block radius
-Can now spawn Tumor Nexus blocks

Red Cactus:
-Can grow upward when a Nexus Tumor or Infector is within 100 blocks
-May grow a White Cactus Flower, which stops further upward growth

Dead Nexus:
-Can grow Red Cacti, Nexus Roots, Mind Saplings, and Nexus Meat when a Nexus Tumor or Infector is within 100 blocks
-Can now remove Snow above the block

Mind Fruit:
-Can now naturally grow

Silk Armor:
-Wearing the full set grants immunity against Red Cacti