Tier 4

Tier 4 is the hardest tier of all. It's required to have Prot 7/Sharpness 8 with custom enchants to stand a chance with these fearsome beasts.

Easy Tier 4:

Sludge

Frozen Archer

Medium Tier 4:

Magma Crawler

Molten Spirit

Frozen Ghoul

Drowned Captain

Hard Tier 4:

Alpha Crawler

Snow Golem

Davy Jones