Wraith
The wraith is a cool mob with 2 attack modes. Credit to nBow for the model.
Items
These are items that are added with this data pack. Some of them are drops, and some are craftable. Check out video for full details.
Nether Gun
The Nether gun has 3 modes: Explode, normal shot, lava shot.
Laser Shark
It's a laser shark. Spawns in lava lakes or can be fished with netherite fishing rod.