Mina the HollowerMina the HollowerGuide

Mina the Hollower Bosses — All Bosses List, Order & Guides

Complete boss list and recommended order with phase tells for Thorne, Duchess, Nox's Beast, and Madd House — plus Bertram NPC route for Joule Syringe on Bone Beach and other long-tail boss lookups.

All bosses · phase guides · June 2026

Full Mina the Hollower boss list with recommended order and phase guides. Bertram at Secret Shoals is highlighted first — he is an NPC trinket route, not a boss. Verified fight breakdowns cover Thorne, The Duchess, Nox's Beast, Madd House, and Midden.

Bertram — Secret Shoals NPC (Not a Boss)WIP

Secret Shoals, Bone Beach — NPC, not a boss fight

Bertram is a skeleton miner NPC on Secret Shoals — players searching “mina the hollower bertram” or “all bosses” usually want the Joule Syringe dig spot behind him, not a combat encounter.

  • Route (GameSpot / community): enter the Underlab beside the Mining Camp entrance on Bone Beach, take the bottom path through the southern archway, hop barrels across the passage, and reach Secret Shoals.
  • Dig the sparkling sand behind Bertram for Joule Syringe — sidearms grant Plasma; at 0 Joules you spend health to fire sidearms.
  • Bertram appears on boss-list searches because Bone Beach’s Spark Generator is step 6 in the recommended order — he sits on the same southeast route, not inside the Astral Orrery.
  • See the trinkets page for Joule Syringe tier notes and the Astral Orrery guide if you are also clearing Mutant Lab / Stellarium.

Moon Boss — Nox's BayouWIP

Nox's Bayou

Players often search for the bayou "moon boss" after the Spark Generator route — this refers to the large lunar-themed encounter in Nox's Bayou (distinct from Nox's Beast at the southwest generator).

Bring range or crowd-control sidearms for the arena phase; see the Nox's Beast guide above for the main predator fight in the same region.

Fish Boss — How to Find & BeatWIP

Nox's Bayou / bayou waterways

The fish boss is an optional secret encounter searched heavily alongside bayou progression. Community routes place it off the main swamp path — explore backwaters after restoring the southwest generator.

If you are stuck finding the arena, finish the bayou tower first and backtrack along water screens with a map from Drillhardt.

Armand Secret Boss FightWIP

Island renegades route

Armand is one of the renegade nobles required for the Renegade Roundup feat. The secret boss encounter is a dedicated search term — treat it as a story duel with tell-based melee patterns.

Pair with the boss list entry for Armand in the Renegade Roundup achievement on the feats page.

Recommended Boss Order

Recommended boss order for a first clear — story rematches and optional fights noted. Spark Generator bosses can be tackled in flexible order until Coltrane Peak.

OrderBossRegionTypeNotes
1Hulk TrooperOssexMini-bossOpening stretch tutorial fight
2Thorne (1st)Ossex CourtyardStoryRematched twice later on the island
3The DuchessQueensbury CryptSpark GeneratorBest first generator — Proto Spark trinket
4Nox's BeastNox's BayouSpark GeneratorSouthwest route
5Madd HouseSeptemburgSpark GeneratorNorthwest route — unlocks Papa Madd shop
6Bone Beach generator bossBone BeachSpark GeneratorSoutheast route — Bertram at Secret Shoals nearby
7Midden (optional)Queensbury CryptSecretFly Bait trinket — requires 2 Plasma Vials
8Baron LionelColtrane PeakStoryMid-to-late escalation
9Orrery WardenAstral OrreryFinaleMutant Lab and mirror routes in this region

Mina the Hollower Boss List — All Bosses

BossLocationNotes
ThorneOssexLionel’s former vanguard captain — first major boss in the Ossex Courtyard; fought three times across the island.
The DuchessQueensbury CryptSpark Generator boss of Queensbury Crypt — stone statue that sheds its head to reveal tentacles at zero health.
Nox's BeastNox's BayouHulking bayou predator on a water-filled arena — Nox doesn’t keep it; it keeps Nox.
Madd HouseSeptemburg (Kindlewood)Both architecture and inhabitant — signature punching attack in Papa Madd’s house. Unlocks Papa Madd’s shop on defeat.
MiddenQueensbury Crypt (Ancestral Chamber)Secret boss behind a door requiring two Plasma Vials — provoke with the insult option; drops Fly Bait trinket.
Hulk Trooper · Mini-bossOssexSupersized Shock Trooper — first mini-boss in the opening stretch (1 phase, Easy).
Malady · BossNox's BayouPersonification of sickness — separate from Nox’s Beast; full guide coming soon.
Astromancer · BossAstral OrreryScholar-magus of the Astral Orrery — full strategy not yet published online.
Sparkmancer · BossAstral OrrerySpark-themed Astral Orrery boss — listed separately from Astromancer.
Orrery Warden · BossAstral OrreryWatches the gears that map the stars — late-game Astral Orrery fight (WIP).
Baron Lionel · BossOssexIsland patriarch — late-story confrontation; no verified phase table yet.

Thorne

Ossex · Medium · Sidearm: Mace

Thorne boss in Ossex courtyard
Lionel’s former vanguard captain — first major boss in the Ossex Courtyard; fought three times across the island.
  1. Phase 1 — Trident strikes

    Pattern: Swift trident blow into a tracking three-hit combo; drops delayed bombs along his path.

    Tell: Quick trident wind-up; combo tracks your movement; bombs drop as he moves.

    Counter: Stay near arena edges to escape bomb chains. Short burst damage so you can disengage.

  2. Phase 2 — Tornado burst

    Pattern: Summons a ring of tornadoes that expand outward.

    Tell: He stops moving to channel the swirl.

    Counter: Use Hollowing — burrow underground as the ring expands.

  3. Phase 3 — Escalated dash + tornadoes

    Pattern: Longer dash, three hops, then tornado burst again at higher intensity.

    Tell: Dash path visibly extends; three hops precede the tornado summon.

    Counter: Reposition early for the dash; burrow the follow-up tornadoes. Keep attacks short.

The Duchess

Queensbury Crypt · Medium · Sidearm: Daggers

The Duchess of Queensbury boss
Spark Generator boss of Queensbury Crypt — stone statue that sheds its head to reveal tentacles at zero health.
  1. Phase 1 — Stone statue

    Pattern: Wide horizontal swing across the arena; jumps on floor plates that fire ground arrows.

    Tell: Wind-up before the swing; jump telegraphs arrow lanes.

    Counter: Burrow on swing wind-up. Stay above or below — arrows break on her body if she blocks your lane.

  2. Phase 2 — Tentacle reveal

    Pattern: Faster swing into immediate lunge; tentacle slams burst 3–6 times at your position; arrows persist.

    Tell: Quicker swing wind-up; lunge follows instantly; ground-burst tracks your position.

    Counter: Keep moving in one direction to outrun bursts. Burrow through arrows; favour ranged sidearms.

Nox's Beast

Nox's Bayou · Hard · Sidearm: Daggers · Pit Preserver trinket

Nox's Beast in the bayou
Hulking bayou predator on a water-filled arena — Nox doesn’t keep it; it keeps Nox.
  1. Main phase — water arena

    Pattern: Bounces, poison bubbles, stomach suction mouth, ground slam sending expanding wave rings; destroys shallow water into pits.

    Tell: Short hop before each bounce; second mouth opens for suction; slam precedes rings.

    Counter: Dodge bounces; stay at range for suction. Jump wave rings — burrowing does not block them.

  2. Low health — swimming

    Pattern: Swims diagonally through water, carving deep pits and damaging on contact.

    Tell: Submerges and charges diagonally.

    Counter: Burrow in the opposite diagonal to avoid the swim path and fresh pits.

Madd House

Septemburg (Kindlewood) · Medium · Stay below or to the sides — never above

Madd House boss in Kindlewood
Both architecture and inhabitant — signature punching attack in Papa Madd’s house. Unlocks Papa Madd’s shop on defeat.
  1. Phase 1 — Awakening

    Pattern: Awakening animation on entry; attacks largely from above with awkward hitboxes overhead.

    Tell: Opening awakening animation — free hit window.

    Counter: Land early hits during awakening. Burrow to sides or below — never fight from above.

  2. Phase 2 — Bombs (low health)

    Pattern: Throws bombs that blanket the arena for area damage on explosion.

    Tell: Bombs begin appearing across the arena.

    Counter: Move to a safe spot, wait out explosions, then resume from sides/below.

Midden

Queensbury Crypt (Ancestral Chamber) · Easy · Optional secret fight

Midden secret boss
Secret boss behind a door requiring two Plasma Vials — provoke with the insult option; drops Fly Bait trinket.
  1. Single phase

    Pattern: Secret optional encounter — single phase, Easy difficulty.

    Tell: Provoke with the insult dialogue option after opening the chamber door.

    Counter: Bring two Plasma Vials to reach the chamber; treat as a bonus trinket run.

More bosses WIP

BossLocationNotes
Hulk Trooper · Mini-bossOssexSupersized Shock Trooper — first mini-boss in the opening stretch (1 phase, Easy).
Malady · BossNox's BayouPersonification of sickness — separate from Nox’s Beast; full guide coming soon.
Astromancer · BossAstral OrreryScholar-magus of the Astral Orrery — full strategy not yet published online.
Sparkmancer · BossAstral OrrerySpark-themed Astral Orrery boss — listed separately from Astromancer.
Orrery Warden · BossAstral OrreryWatches the gears that map the stars — late-game Astral Orrery fight (WIP).
Baron Lionel · BossOssexIsland patriarch — late-story confrontation; no verified phase table yet.

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