Tower rooms can be discovered via Grimoire pages, quest rewards or as the result of gaining Revered status with various factions.
Some rooms are class specific, becoming available depending on your choice of Artificer, Necromancer or Alchemist at the start of the game.
| Class | Initial Room | Upgrade Room |
|---|---|---|
| Alchemist | ||
| Artificer | Glyph Smithy | Adamantinum Forge |
| Necromancer |
| Room Name | Obtained From | Initial Effect | Extensions |
|---|---|---|---|
| Adamantinum Forge | Artificer | Unlocks 4 Artificing slots / Unlocks Ore Refinement | Mining Tools / Minion / Expedition / Runic Blades / Flaming Furnace |
| Crystalline Garden | Starting | +3 Mana per Day | Crystal Growth / Mana Storage / Focus Channel / Magic Shield |
| Dwarven Barracks | Windholme | +5 Gold Upkeep / Enable hiring of Dwarven Units (Axewielders / Sentries / Moleriders) | Additional Training Dummy / Drill Instructors / Local Artificer / Brewery / Dwarven Idol / Blast Furnace |
| Dwarven Vault | Earth Master pages | +3 Gold per Day / Find 10% more Loot | Cartography Table / Employee of the Month / Intelligence Gathering / Gold Rush |
| Fortification Workshop | Earth Master pages | Units in Domain gain +2 Armor / +1 Crafting slot | Construction Table / Reinforced Walls / Sniper Tower / Guard Dogs / Fire Trebuchet |
| Glyph Smithy | Artificer | Unlocks Artificing / +1 Crafting Slots | Comfy Chair / Additional Worktable / Runic Armor / Minion |
| Herb Garden | Alluvyan | +6 Plant Catalysts per Week | Pumpkin Bed / Windweed Bed / Redcap Bed / Healroot Bed / Lenya Bed |
| Illithian Chamber | Mentalism pages | +2 Domain range around Tower / Enemies gain +25% Willpower losses | Psychic Wand / Wand of Fear / Wand of Greed |
| Might Amplifier | Bastion | ||
| Miners Guild | Silver Drift Hollow | +2 Mountain Copper per Week / +1 Sky Iron per Week | Mining Tools / Intelligence Gathering / Iron Expedition / Risky Expedition / Dungeon Expedition |
| Orc Barracks | Orgash | +5 Gold Upkeep / Hire Orcs (Brutes / Javelin Throwers / Warg Riders) | Additional Training Dummy / Drill Instructor / Slave Pits / Trappers / Raiding Party / War Banner |
| Study | Starting | +5 Research per Day | Comfy Chair / Creepy Gargoyle / Cartography Table / Pen Pal |
| Torture Chamber | Necromancer pages | +10% Soultrap / -1 Turn Necromancy Crafting Duration | Creepy Gargoyle / Motivator / Spare Parts / Rage Parasite / Soul Prison Collar / Torture Tools |
| Troop Quarters | Goblin Village | +3 Gold Upkeep / Hire Goblins (Archers / Brawlers / Shaman) | Additional Training Dummy / Drill Instructor / Lavish Meals / Sniper Tower |
| Workshop | Starting | +3 Gold per Day / +1 Crafting Slots | Additional Worktable / Trade Contacts / Construction Table |