Tier 1

Tier 1 is the easiest tier of all (excluding Tier 0) It's still reccomended to have Prot 4/Sharpness 5 with custom enchants to be safe fighting these monsters.

Easy Tier 1:

Elf

Gnome

Giant Scorpion

Medium Tier 1:

Orc Scout

Giant Spider

Bandit Archer

Mummy

Hard Tier 1:

Orc Warrior

Bandit