Where Mosstrosity fits in the story
Mosstrosity is not part of the main story. Its boss arena is in Lush Caves.
- Boss arena
Lush Caves - EntranceArena door on the map (Howling Woods)

Written from Mosstrosity's attack data, hazards, resistances and co-op health.
Every attack Mosstrosity can use, with base damage, reach and cooldown from its ability data.
| Attack | Combo damage | Type | Reach | Cooldown | On hit |
|---|---|---|---|---|---|
| Post-Charge Strike | 35 | Melee | 10 blocks | — | — |
| Combo Finisher | 30 | Melee | 6 blocks | — | — |
| Charge | 25 | Melee | 5.5 blocks | 18 s | — |
| Left Swing | 20 | Melee | 5 blocks | 4 s | — |
| Right Swing | 20 | Melee | 5 blocks | — | — |
| Redstone Projectile | 20 × 3 | Ranged | 10 blocks | 5 s | — |
| Post-Charge Strike | 10 | Melee | 10 blocks | — | — |
| Redstone Projectile (mid range) | 10 | Ranged | 25 blocks | 10 s | — |
| Redstone Projectile (close range) | 5 | Ranged | 20 blocks | 10 s | — |
Other abilities: Summon Redstone Cubes, Summon Flowers.
Attacks, weaknesses and guaranteed drops for every boss, what to bring and what to avoid, and a checklist to tick off each boss you beat.

Puddles, mines and explosions Mosstrosity leaves behind, from the game's prop data: stay out of the radius.
Mosstrosity takes extra damage from Lightning: bring it.
From its damage-taken multipliers. Enchantments are matched by the damage type they deal, gear by the game's own element tag.
The game multiplies Mosstrosity's health by party size (MultiplayerScalingDefinitions). Base health before level and difficulty scaling.
| Players | Health | Multiplier |
|---|---|---|
| 1 | 2,400 | ×1 |
| 2 | 4,800 | ×2 |
| 3 | 6,720 | ×2.8 |
| 4 | 8,640 | ×3.6 |
Party size also grows enemy groups outside boss arenas: ×1.2 with 2 players, ×1.5 with 3 and ×1.9 with 4. Boss-arena waves stay the same size whatever the party size.
Mosstrosity is not part of the main story. Its boss arena is in Lush Caves.
Items in Mosstrosity's own loot table.
| Item | Chance per book |
|---|---|
| Guaranteed drop |
Mosstrosity spawns in 1 areas.
| Area | Rec. level | Spawns as |
|---|---|---|
| — | Boss arena |
Health and damage here are the base values in the game data; the game multiplies them for your level and the difficulty, so use them to compare mobs. Poise is the stagger a mob absorbs before it is interrupted, and weakness multipliers change the damage it takes from each type.
Data from the Minecraft Dungeons II game files, build 1.1.3.0. How we source this
Mosstrosity (Boss) has 2,400 base health, 1,200 poise and a hardest hit of 35. It takes extra damage from Lightning (+50%).
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Lightning is its weakness (+50%); Poison does 35% less. Its swings cover a 150° arc (20 each, Combo Finisher 30): stand behind it, not beside it. After its Charge (25, every 18 seconds) comes a 35-damage shockwave within 4 blocks, the hardest hit it has. Watch the moss: Flower Bomb Explosions deal 15, Poison Flower Patches apply Poisoned for 5 seconds, and its slam leaves a 5-block Moss Patch that Slows. Its arena is in Lush Caves.
2,400 base health in the game data, before level and difficulty scaling.
Mosstrosity takes extra damage from Lightning (+50%).
It appears in Lush Caves. Its arena is in Lush Caves.
2,400 solo, 4,800 with 2 players and 8,640 with 4 players (×3.6). The game multiplies its health by party size.
Its item drops have no Commons and roll Unique 16.7% of the time; its own loot table is listed on this page.
Yes. Mosstrosity is a Boss found in Lush Caves.