There are some crucial changes from vanilla while playing on WitchCraftMC. The most important of which are listed here.
Limits
Mob Limit
Mobs are limited to 16 of each mob type within a radius of 16 blocks. They are also limited to 32 mobs total of each mob group within the same radius.
Mobs are split into Animals (Passive mobs), and Monsters (Hostile Mobs).
This means you can for example have 16 zombies and 16 skeletons within 16 blocks as well as 8 pigs, 8 cows, 8 chickens and 8 sheep.
Block Limits
- Crafters are limited to 2 blocks per chunk.
- Hoppers are limited to 32 hoppers per chunk.
- Spawners are limited to 5 per chunk.
- Redstone is limited to 64 components per chunk.
- Noteblocks are mostly non-functional. This is to allow for custom blocks.
Mobs
Spawning
Villagers, wandering traders, bats, and phantoms are disabled and do not spawn in any world.
Drops
- Shulkers do not drop anything except exp.
- Fishing does not grant vanilla drops or fish, only custom drops. Salmon, Cod and pufferfish can however be bought with Scales.
Other
When repairing, or enchanting items with an anvil, the repair cost never reaches “too expensive” instead reaching a max cost of 90 exp levels.