Blastling
The Blastling, when looked at, will start firing goo projectiles that catch mobs and players on fire when hit. It will also cause nearby Blastlings to become hostile and attack.
Spawns in Velvium Expanse biomes.

Watchling
The Watchling, when looked at, will cause any nearby Endermen to become hostile and attack. This process will repeat each time the Watchling is looked at so it is best to take it out first.
Spawns in Chorus Forest biomes.

Void Glider
The Void Glider will attack on sight, unless the player is wearing a carved pumpkin. They can be mounted by wearing a carved pumpkin and interacting with a saddle and can be used to traverse gaps between End islands.
Spawns in Velvium Expanse & Chorus Forest biomes.

Endsect Swarm
The Endsect Swarm will attack players on sight resulting in a poison effect. They spawn in large groups and can become a nuisance, especially when bridging from island to island where you can easily be knocked off into the void.
Spawns in Depraved Wetlands biome.

Jokle
It's just a colorful fish... Can be killed for food. Spawns in any water source in the End.
