Mobs and offhand items
Every time a mob spawns it will be assigned a randomized offhand item, offhand items grant the mob special abilities listed below:
Wind Charge
Every 25 ticks, there is a 15% chance and 5% increase per tier for the mob to throw a wind charge at itself or at the player.
Firework Rocket
Every 5 seconds, there is a 50% chance for the mob to ride a firework rocket towards the player.
Golden Apple
Every 2.5 seconds there is a 15% chance and 5% increase per tier for the mob to eat a Golden Apple, where commons and uncommons have 1 Golden Apple, while rares have 2, epics have 3 and legendaries have 4.
Chorus Fruit
Every time the mob gets hit there is a 12.5% chance for the mob to eat a Chorus Fruit, teleporting randomly around the player. Commons and uncommons have 1 Chorus Fruit, while rares have 2, epics have 3 and legendaries have 4.
Golden Sword
10% increased Attack Damage, also increases ranged damage.
Leather Boots
10% increased Movement Speed.
Shield
+5 Armor.
Totem of Undying
Mob has a Totem of Undying, preventing them from death, can only spawn on higher tiers.
Tipped Arrows
Only Skeletons and Pillagers can have these, which have certain status effects on their arrows