Ancient Crawler is a miniboss in The Sewers. Its dynamic level follows the dungeon’s difficulty sync.
It is a fast Spider that can trap players in temporary cobwebs, ignite them, ignore fire, and bring Spiderlings into the fight.
Overview
| Attribute | Details |
|---|---|
| Name | Ancient Crawler |
| Dungeon | The Sewers |
| Type | Miniboss |
| Base Mob | Spider |
| Level | Dynamic |
| Health Multiplier | 3× health multiplier |
| Damage Multiplier | 1.4× damage multiplier |
| Leash Radius | 29 |
| Follow Distance | 26 |
Difficulty Scaling
Normal uses a +5 level sync, Hard uses a 0 level sync, and Mythic uses a -5 level sync. The listed powers are active on all three difficulties.
Powers and Abilities
- Attack Web: When it hits a player, a temporary cobweb appears on that player for 3 seconds and the miniboss gains Speed III for 3 seconds. This has a 3-second cooldown and a 1-second global cooldown.
- Movement Speed: It has Speed II for about 83 minutes, effectively covering the fight.
- Attack Fire: When it hits a player, that player is set on fire for 3 seconds.
- Invulnerability Fire: It has permanent Fire Resistance.
- Spiderling Reinforcement: It can summon Spiderling reinforcements on all three difficulties.
Summoned Reinforcements
Spiderling is a Cave Spider reinforcement with a 0.25× health multiplier and 0.6× damage multiplier. No additional powers are listed for this reinforcement.
Class Loot
Sewer Spelunker’s Sword, Sewer Spelunker’s Boots, Sewer Spelunker’s Chestplate, Sewer Spelunker’s Helmet, Sewer Spelunker’s Leggings
How to Beat It
Expect it to stay fast: it has long-lasting Speed II and can gain Speed III for 3 seconds after landing its web attack. Its web can hold you for 3 seconds, its hits can ignite you, and fire is a poor answer because the miniboss has permanent Fire Resistance.



