Enemies and Mutations — Full Bestiary With HP, Damage and Drops

How enemies work

Enemies spawn underground near the drill, in structures, and in darkness. They can be killed with any weapon — except the Watcher, Fuel Leech, Mimic, Bombo, and any enemy carrying the Stone mutation, which can only be taken down with pickaxes or explosives.

Every enemy has a coin price and a fuel value. You can sell them for Coins or burn them as fuel for the drill, which makes even weak enemies useful on a long run.

Full enemy stats

A few of these stand out more than the rest:

Watcher — 500 HP, 25 speed, instant kill, and immune to normal weapons. It appears in Mineshafts from the Dirt Layer down, which makes the Mineshaft the most dangerous structure for its depth.

Fuel Leech — 50 HP but 53 speed, the fastest thing in the game, and it drains the drill’s fuel. It cannot be killed with normal weapons either. From the Crystal Layer down, leeches are the reason you want to solve problems without stepping out of the truck.

Bombo — 50 HP with 60 damage. It dies instantly and it kills you instantly, which makes it the highest-variance enemy in the game.

Wolf Bat — 5,000 HP, 50 damage, and it fully regenerates its health 10 seconds after being stunned. You cannot kill it in the usual sense. The 100 KM plan covers the fight.

Fire Widow — 10,000 HP, 80 speed, 100 damage, and worth 35 fuel. It is the single most dangerous normal enemy in the game, and also the best fuel source.

Bounty enemies

Four enemies are worth selling to the Bounty Hunter class for 10x their normal coin value:

The catch with bounties is the selling location: the only guaranteed buyer is at 43,000 m, with others appearing randomly. That single fact is why the Bounty Hunter class ranks at the bottom of our tier list despite the 10x multiplier.

All seven mutations

Mutations start appearing from the Stone Layer down and scale enemies in different directions. Each one also multiplies the enemy’s price.

Golden is the one you want. It triples the coin price with no change to the fight, so a Golden Goblin Champion pays 9,000 Coins instead of 3,000. It also carries the best fuel multiplier of the non-growth mutations.

Stone is the one that changes your loadout. A Stone-mutated enemy explodes into random ores when it dies, which is free ore — but you cannot shoot it. A team of pure Gunslingers has to walk away from Stone enemies, which is the argument for keeping an explosive or pickaxe class in the party. The Demolitionist guide covers that role.

Fire and Toxic stack as damage over time — 2% and 1% of your max HP per second for five seconds. On a deep run where you already have a small health buffer, that is the difference between surviving a room and not.

What mutations do to stats

Mutation multipliers apply on top of base stats, so the same enemy can be trivial or lethal depending on what it rolled:

Notice the pattern: Void trades speed for health and damage. A Void Goblin Lord is no faster than a base one but hits the same and has the same health — the mutation is a downgrade in threat for slow enemies and an upgrade for fast ones.

Notable drops

Enemies are a gear source, not just a coin source:

The Goblin Champion set is the most valuable normal drop — a full equipment set from one enemy type, and it spawns in the Goblin’s Arena. Vampire drops Golden Keys, which open the gear chests inside Vampire Mansions. The structures and dungeons guide maps where each of those spawns.

Where enemies scale

The enemy list grows with depth. The layers page has the full table, but the short version:

• Grass (0–10,000 m) — Goblin, Goblin Brute, then Loot Goblins at 10,000 m
• Dirt (10,000 m) — mutations begin, Spiders arrive
• Crystal (31,000 m) — Bombo, Bat, Fuel Leech join
• The Abyss (61,000 m) — Mole Man joins
• 84,000 m onward — everything, plus Wolf Bat

If you are choosing what to bring, the best classes tier list ranks classes by what they fix, and how to reach 100 KM is the run plan built on this enemy data.