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Miniboss · Floor 4

Bell Sentinel

Miniboss of Fallen Sanctum, floor 4. Its signature attack: the shockwave ring.

Lore

Who is Bell Sentinel?

An ageless bellringer guards a silent city.

Bell Sentinel is a miniboss of the ruined city, first met on floor 4, Fallen Sanctum. Minibosses join the fight while a floor is running. Their health bar appears at the top of the screen, with phase marks that show how close the kill is.

Attack

Shockwave ring

Slams the ground and sends out a ring of damage with a safe pocket close to its body.

How to dodge it: Either hug the boss inside the pocket or stay well outside the ring until it fades.

Strategy

How to beat Bell Sentinel

  • Fight in the open, away from walls and props, so you always have room to leave the warning shape.
  • Kite in wide circles: your skills keep firing while you move, the boss does not.
  • Clear the regular horde around the boss first; the fight is the boss, not the crowd.
  • Watch the phase marks on the boss health bar — each one is a moment to stay patient rather than greedy.

Skills that make this fight easier: Lightning, Frost Nova, Soul Reaper.

Same region

More bosses of the ruined city

Miniboss · Floor 4

Chain Provost

No oathbreaker was ever released from its care.

Portal boss · Floor 4

Orun, Bell Keeper

The city sleeps only while its keeper tolls.

Portal boss · Floor 5

The Hollow Confessor

Every stolen oath became another link.

Portal boss · Floor 6

The Iron Castellan

No living soul remains in the citadel he protects.

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