Player:

• Totems of Undying apply Weakness to players that hold them.
• When a player goes to sleep in a bed too many nights in a row, they will be attacked by 'Bedbugs' (Endermites).

Zombie/Zombie Villager:

• Movement Speed - 0.23 -> 0.3
• Knockback Resistance - 0.036/0.025 -> 0.6

Husk:

• Movement Speed - 0.23 -> 0.25
• Knockback Resistance - 0.04 -> 0.9
• When players get too close to a Husk, they will be hit by dry-up damage and enclosed in sand.

Drowned:

• Movement Speed - 0.23 -> 0.35
• Knockback Resistance - 0.039 -> 0.3
• When players get hit by a Drowned's Trident, they will be inflicted with Slowness, cleared of Dolphins Grace, and be dragged down by the Trident.

Skeleton:

• Skeletons' arrows pierce through shields.

Stray:

• Strays' arrows pierce through shields.
• When players get too close to a Stray, they will be hit with freeze damage.

Bogged:

• Boggeds' arrows pierce through shields.
• Max Health - 16 -> 20 (Initially, their health is still 16)
• When Boggeds hit a player, they heal up.

Creeper:

• Creepers leave behind a cloud of Blindness and Darkness when they explode.

Spider:

• Movement Speed - 0.30 -> 0.45
• When players get too close to a Spider, they will get webbed up.

Cave Spider:

• Movement Speed - 0.30 -> 0.55
• When players get too close to a Cave Spider, they will get webbed up.

Enderman:

• Endermen will have Invisibility unless they are close to a player.

Slime:

• When players get too close to a Slime, they get slammed into the ground.

Guardian:

• Guardians can break nearby doors to prevent you from making an easy air bubble.
• When players/boats get too close to a Guardian, they will be dragged underwater.

Elder Guardian:

• Elder Guardians can break nearby doors to prevent you from making an easy air bubble.
• Elder Guardians occasionally freeze all nearby players in a block of ice for a short time.

Silverfish:

• When players get too close to a Silverfish, they will be inflicted with Infested

Vindicator:

• Vindicators have a shield that blocks any arrows that come their way.
• Vindicators can break through pesky doors and boats.

Evoker:

• When players get too close to an Evoker, Pointed Dripstone will be dropped where they stand.

Vex:

• Vexes' swords always have the Fire Aspect I enchantment.

Pillager:

• Pillagers' crossbows will always have the enchantments Quick Charge III.
• Pillagers' arrows pierce through shields.

Ravager:

• Movement Speed - 0.3 -> 0.375
• When players get too close to a Ravager, they will be forcefully mounted upon it.
• Players stuck on a Ravager will be inflicted large amounts of damage.

Witch:

• Witches always have Regeneration V.
• When players get too close to a Witch, their positive status effects will be removed.

Breeze:

• Wind charges shot by Breezes deal much more damage to players.
• As the Breeze loses health, it will get smaller.

Creaking:     

• Attack Damage - 3 -> 10
• Creaking inflict Mining Fatigue on all players between 8 and 32 blocks away.
• If a player gets too close to a Creaking, they are marked for the next 5 seconds.  Breaking a Creaking Heart during this period will cause them to be inflicted with the Creaking Curse, which renders them immobile for the next 5 seconds.

Warden:

• Wardens will inflict Darkness on all players within 40 blocks of them.
• Wardens will eat most arrows that come their way. No, this is not a joke.

Zombified Piglin:

• Movement Speed - 0.23 -> 0.3
• Knockback Resistance - 0.017 -> 0.45

Piglin:

• Piglins always have Fire Resistance.
• Piglins with crossbows will always have the enchantments Quick Charge III.
• Piglins' arrows pierce through shields.

Piglin Brute:

• Piglin Brutes always have Fire Resistance.
• Piglin Brutes have a shield that blocks most arrows that come their way.
• Piglin Brutes can break through pesky doors and boats.
• Piglin Brutes can place ladders on Blackstone and Basalt.

Hoglin:

• Hoglins always have Fire Resistance.
• Attack Knockback - 1.0 -> 2.0

Zoglin:

• Attack Knockback - 1.0 -> 2.0

Ghast:

• When players get too close to a Ghast's fireball, they will be 'grounded' and inflicted with Nausea.

Magma Cube:

• When players get too close to a Magma Cube, they get slammed into the ground.

Blaze:

• Small Magma Cubes will spawn from fireballs shot by Blazes.

Wither Skeleton:

• Wither Skeletons have a shield that blocks any arrows that come their way.

Wither:

• Health - 300 -> 600
• When the Wither reaches half health, it explodes and spawns four Wither Skeletons.
• The Wither attempts to dash through blocks if a player is not next to the Wither, but nearby.
• The Wither periodically summons a ring of lightning bolts.
• The Wither explodes when it dies.

Shulker:

• Bullets shot from a Shulker will forcefully mount nearby players and self-destruct after ~15 seconds if not destroyed and there are no nearby blocks.

Ender Dragon:

• When the Ender Dragon gets close to an End Crystal, a Phantom will spawn above it