The Obsidian Bulwark
Boss · The Heart of Hell · band E, The Heart of Hell
Where The Obsidian Bulwark waits
The Obsidian Bulwark holds the gates at depths 100,300, 101,200, 102,100, 103,000 in The Heart of Hell, sharing the zone's 100-depth gate rhythm with The Adversary and The First Fallen and The Crowned Furnace and The Glutton of Glory and The Gilt Colossus and The Chainbreaker and The Throne's Headsman and The Last Seraph.
What The Obsidian Bulwark is
The Obsidian Bulwark is a Knight: it swings a sword, and the body asks for fast builds beware: the more you swing, the more it hits back — and it wards off blows from afar. As a boss it wears the type's defences at 35%, carries no status of its own, and enrages below half health: it hits harder and moves faster.
The Obsidian Bulwark by the numbers
The card at each gate — health, damage per swing, armour and the modifiers it rolls — straight from the game's spawn table. On the floor the boss leads with 60% of the card's health and 60% of its damage, before the road's own pressure.
What those modifiers do
OF FRENZY- gains a Frenzy charge on every hit it lands: 4% more damage, +15% attack speed and +5% movement each, up to 3
DEADLY- +20% critical strike chance
MANGLING- +35% chance to cause bleeding
OF HASTE- the pack within 4.5 tiles moves and swings 30% faster
LUCKY- 15% of its blows land twice over
THICK-SKINNED- Overwhelm and armor you ignore count at half
WITHERING- every blow leaves damage over time on you: 15% of the blow each second for 4 s
FIREPROOF- +75% fire resistance (capped at 75%)
CHILLING- Turns 30% of its physical damage into cold
DENSE- takes 60% less from damage over TIME, and double from hits
DRAINING- you recover half as much: leech, regen, recoup
OF THE EXECUTIONER- you recover half as much within 4.5 tiles of it
SUNDERING- every blow cuts your armor by 30% for 4 s
CORRUPTING- a third of its damage is chaos
ETHEREAL- takes 60% less from HITS, and double from damage over time
ARMORED- Armour ×1.9, at the cost of 5% of its health
OF CHILLING DEATH- leaves a pool of frost where it falls
REGENERATING- Heals 1% of its maximum health every second
OVERWHELMING- ignores 30 points of your armor
OF PRECISION- the pack within 4.5 tiles crits 15% more often
EXPOSING- every blow cuts your resistances by 15 for 4 s
EVASIVE- +22% chance to dodge your hits
Modifiers are rolled per depth and are the same for every player. Bosses always carry at least 3 and never a pace modifier (SWIFT, BRUTE), so a boss's swing rhythm is its own; of the seals only the walls — BLOODLESS, INERT, ASHEN, ETHEREAL, DENSE — ride a boss. The full list is in Enemy modifiers.
At its first gate The Obsidian Bulwark leads with 141,930,138,791 health, against 113,541,768,429 for the leader one floor above, and swings every 1.25s.
What a gate floor is
A gate is a floor like any other, with the boss leading its last pack. Nothing below it opens until the floor is cleared. A lost floor costs nothing; you can fight it again. How a floor is fought is under Combat.
Fight The Obsidian Bulwark — play free