Main / Generator
Mined Mind
Bone Beach: Brain Alcove
One of the strongest first-clear execution checks in our editorial ranking.
Boss Database · Accuracy cleanup August 2026
Mina the Hollower Boss Database
This hub uses the current 26-entry boss list published by the Mina the Hollower Wiki as the factual name/location baseline. Difficulty stars are editorial first-playthrough ratings, not official ratings.
How to use this page: use the boss name and location to connect an encounter to its region, then open the Map Database, Boss Tier List, or 1–5 Star Difficulty Ratings. Four encounters currently have dedicated strategy pages; the rest stay consolidated here rather than publishing thin placeholder pages.
All Verified Bosses
Main
Frozen Horror
Coltrane Peak: Icebound Cavern
Late-region fight with little room for repeated mistakes.
Main / Generator
The Congealed
Astral Orrery: Sealed Archive
A late-game wall that asks for consistent movement and resource control.
Optional
Thalassion
Backwaters: Fishing Hole
An optional encounter best approached after strong preparation.
Endgame
Furgus the Faithful
Radiant Manor: Servants' Quarters
A demanding late-game encounter in an already punishing stretch.
Endgame
Radiant Lionel
Radiant Manor: Prime Generator
A major endgame confrontation tied to the Prime Generator.
Endgame
Radiant Thorne
Ossex: City Center / Courtyard
A late-game version of a recurring rival encounter.
Main / Generator
Nox's Beast
Nox's Bayou: Tainted Lair
The Bayou's Spark Generator boss and a major movement-pressure fight.
Main / Generator
The Carving Man
Septemburg: Carving Shack
A region-spanning pursuer that culminates in the Carving Shack fight.
Main
Locomotress Agnes
Coltrane Peak: Maelstrom
Movement-heavy pressure in one of the game's late regions.
Optional
Dark Deluxy
Septemburg: Windy Generator
An optional encounter linked to the Windy Generator route.
Endgame
Baron Lionel
Radiant Manor: Study
A late-game duel that rewards clean reads and disciplined punish windows.
Main / Generator
The Duchess of Queensbury
Queensbury Crypt
The Spark Generator boss of Queensbury Crypt and a common first-region boss.
Boss
Mock Moon
Nox's Bayou: Moonlit Path
A distinct Bayou encounter that becomes more manageable after its rhythm is learned.
Boss
Madd House
Kindlewood: Overgrowth
A memorable Kindlewood encounter with a strong central gimmick.
Boss
Lumenarks
Astral Orrery: Hall of Scholars
A late-region Astral Orrery encounter.
Optional
Armand
Ossex: Legovich's Arms
An optional Ossex encounter associated with Legovich's Arms.
Optional
Midden
Queensbury Crypt: Ancestral Chamber
A hidden Queensbury Crypt encounter.
Optional
Mirren
Coltrane Peak: Frostbite Woods
A Coltrane Peak optional encounter.
Optional
Wonder Willis
Ossex: Music Hall
An optional Ossex encounter tied to the Music Hall.
Optional
Maxi
Eastern Heath: Grassland
An optional encounter in Eastern Heath.
Optional
Evra the Undying
Goddred's Grave
An optional fight at Goddred's Grave.
Optional
The Dugin
Ossex / Southern Outskirts / Western Wilds
A recurring optional encounter associated with the renegade route.
Story
Thorne
Ossex: Courtyard / Coltrane Peak: Fateful Cliff
A recurring story boss whose difficulty changes across encounters.
Opening
Nether Kraken
Tenebrous Sea
The opening sea encounter that sets up Mina's arrival on Tenebrous Isle.