Difficulty Insane 1.21.130+ [Achievement Friendly]

• The chance of monsters dropping their armor/swords/bows is 10%.
• All mobs have a mere 80% chance to drop items on death.
• Mobs have a very low chance of spawning with potion effects.

• All hostile mobs can see through walls.
• The maximum spawn rate of hostile mobs has been increased by 50%.
• All mobs have a mere 60% chance to drop items on death.
• Hoglins and Zoglins can break shields.
• When Zombie/Zombified Piglin attack there is a 10% chance that another Zombie will spawn.
• The chance of monsters dropping their armor/swords/bows is 5%.
• Mobs have a low chance of spawning with potion effects.
• You must now equip at least one piece of gold armor so that the Zombified Piglins don't attack you.
• Monsters can spawn at a light level less than or equal to 9 (soul illuminations do not disable hostile spawns).

• Hostile mobs have very high vision and tracking range (26 blocks) and can see through walls.
• The maximum spawn rate of hostile mobs has been increased by 100%.
• Skeletons shoot arrows from 18 blocks away.
• Endermen can break shields.
• Undead entities don't burn during the day.
• Ghasts and Wither Skeletons can spawn in the Overworld.
• Some spiders can spawn as Cave Spiders.
• The chance of monsters dropping their armor/swords/bows is 2.5%.
• Monsters can spawn at a light level less than or equal to 10 (soul illuminations do not disable hostile spawns).
• Mobs have a medium chance of spawning with potion effects.
• All mobs have a mere 40% chance to drop items on death.

• Hostile mobs have very high vision and tracking range (36 blocks) and can see through walls.
• Skeletons shoot arrows from 20 blocks away.
• Piglins and Zombified Piglins are aggressive.
• The maximum spawn rate of hostile mobs has been increased by 200%.
• Most hostile mobs are now able to climb blocks.
• The chance of monsters dropping their armor/swords/bows is 0%.
• Reduced animal spawn rate by 50%.
• Monsters can spawn at a light level less than or equal to 11 (soul illuminations do not disable hostile spawns).
• Mobs have a high chance of spawning with potion effects.
• Zombies and Zombified Piglins have up to a 15% chance to summon more zombies on hit.
• All mobs have a mere 30% chance to drop items on death.

• Hostile mobs have very high vision and tracking range (48 blocks) and can see through walls.
• Zombies and Zombified Piglins have up to a 30% chance to summon more zombies on hit.
• Endermen are fully aggressive.
• You can't sleep — beds will explode if you try.
• Mobs have a very high chance of spawning with potion effects.
• Reduced animal spawn rate by 90%.
• Monsters can spawn at a light level less than or equal to 13 (soul illuminations do not disable hostile spawns).
• All mobs have a mere 20% chance to drop items on death.

• Monsters can spawn with potion effects (strength, health boost, speed, invisibility, etc.).
• Hostile mobs spawn with stronger armor and have a higher chance of enchanted gear.
• Hostile mobs now attack villagers. If you don't sleep you will notice how they can kill iron golems quickly.
• Many hostile mobs can destroy important blocks such as chests, beds, and doors.
• Monsters attack in groups — attacking one will often alert the whole group.

Ender Pearl:

• Using an Ender Pearl has a 25% chance to spawn up to 4 Endermites.

Zombie:

• Their attacks can cause Hunger to their victims.
• Some Zombies can place TNT.

Skeleton:

• They shoot faster and move faster when locating a target.
• They often attack in large groups.
• They are more likely to be spider riders.

Bogged:

• They shoot faster and move faster when locating a target.
• They attack in large groups.
• They are more likely to be spider riders.

Wither Skeleton:

• They are slightly faster and have 25% knockback resistance.
• They have a chance to spawn with diamond swords and armor.
• Some Wither Skeletons may function as archers.

Creeper:

• They are faster, explode faster, and explosions can ignite surrounding blocks.
• Some Creepers can spawn invisible and move faster.
• When one Creeper tries to explode, nearby Creepers may detonate as well.

Enderman:

• They darken nearby mobs within 8 blocks for 10 seconds.
• When attacking they can cause brief Blindness.
• Attacking one may make all nearby Endermen aggressive.

Evoker:

• Evokes spells faster.
• Now increases the speed of hostile entities nearby.

Vindicator:

• On hit, causes Mining Fatigue to its target.

Blaze:

• They shoot much faster.

Breeze:

• They shoot much faster.

Piglin Brute:

• On hit they cause Mining Fatigue to their target.

Piglin:

• On hit they inflict Weakness to their target.

Zombified Piglin:

• Their attacks can cause Hunger to their target.
• If you die to one, they will remain aggressive to players for 25 minutes.

Witch:

• Witches drop potions more frequently and drink potions more often (can drink Invisibility in rain, use Regeneration when damaged, and sometimes drink harmful potions).
• Witches grant resistance to nearby monsters.

Ghast:

• They shoot faster and move away when players get too close.

Spider:

• When attacking they apply Slowness to their target.
• They are always aggressive.

Cave Spider:

• They are always aggressive.

Drowned:

• When attacking they apply Mining Fatigue to their target.

Husk:

• When attacking they poison their target.

Hoglin:

• When attacking they apply Slowness to their target.

Zoglin:

• When attacking they poison their target.
• Now spawns naturally in the Nether Wastes.

Phantom:

• When attacking they apply Darkness to their target.

Endermite:

• When attacking they apply Blindness to their target.

Silverfish:

• When attacking they can infest entities.

Ravager:

• Now more likely to spawn with a rider.

Magma Cubes:

They now deal magic damage when attacking, making them very dangerous. Their attacks bypass shields and armor does not reduce this damage.

Do not repost the addon or use direct links. If you make a video with the addon, link to the original Mod page (MCPEDL/Modbay or CurseForge).

Credits:

IsraOrbit (Addon Creator) — Visit the creator's channel for updates and other addons.

No need for any Experimental Features!

Download and install any single difficulty — activate only one at a time.