Upgrades

Learn about all 25 stronghold upgrades in Pillars of Eternity, their costs, time, and prerequisites, including the Eastern Barbican.

• Eastern Barbican: None
• Main Keep: Eastern Barbican
• Brighthollow: None
• Warden's Lodge: None
• Woodland Trails: None
• Brighthollow Courtyard Pool: Brighthollow
• Brighthollow Hearth: None
• Brighthollow Lab: None
• Bailey: Main Keep
• Barracks: None
• Dungeons: None
• Library: None
• Merchant Stalls: None
• Towers: None
• Western Barbican: None
• Botanical Garden: Bailey
• Forum: None
• Hedge Maze: None
• Training Grounds: None
• Artificer's Hall: Western Barbican
• Chapel: None
• Craft Hall: None
• Curio Shop: None
• South Curtain Wall: None
• West Curtain Wall: None

• Eastern Barbican: +1 Prestige, +2 Security
• Main Keep: Unlocks visitors and Adventures, +3 Prestige, +4 Security. Cost: 1400, Time: 3 days
• Brighthollow: Allows resting, +2 Prestige. Cost: 500, Time: 2 days
• Warden's Lodge: Unlocks resting bonus and bounties, +2 Prestige, +2 Security. Cost: 1000, Time: 2 days
• Woodland Trails: Unlocks resting bonus, +1 Prestige, +2 Security. Cost: 1500, Time: 3 days
• Brighthollow Courtyard Pool: +1 Prestige. Cost: 600, Time: 1 day
• Brighthollow Hearth: +1 Prestige. Cost: 600, Time: 1 day
• Brighthollow Lab: +1 Prestige. Cost: 600, Time: 1 day
• Bailey: +2 Security. Cost: 800, Time: 2 days
• Barracks: Unlocks hirelings, +3 Security. Cost: 2000, Time: 3 days
• Dungeons: Allows keeping prisoners. Cost: 1200, Time: 3 days
• Library: Unlocks resting bonus, +2 Prestige. Cost: 900, Time: 2 days
• Merchant Stalls: Adds merchant. Cost: 1400, Time: 2 days
• Towers: Unlocks resting bonus, +2 Prestige, +1 Security. Cost: 800, Time: 2 days
• Western Barbican: +2 Security. Cost: 900, Time: 3 days
• Botanical Garden: Produces plants, +1 Prestige. Cost: 1800, Time: 2 days
• Forum: Unlocks resting bonus, +4 Prestige. Cost: 1200, Time: 2 days
• Hedge Maze: Unlocks resting bonus, +3 Security. Cost: 1400, Time: 2 days
• Training Grounds: Unlocks resting bonus, +2 Security. Cost: 1500, Time: 2 days
• Artificer's Hall: Unlocks resting bonus, Trap merchant, +1 Prestige. Cost: 1600, Time: 2 days
• Chapel: Unlocks resting bonus, +4 Prestige. Cost: 2000, Time: 2 days
• Craft Hall: Unlocks resting bonus, Weapons and armour merchant, +1 Prestige, +1 Security. Cost: 1600, Time: 2 days
• Curio Shop: Produces creature parts, Curio merchant, +1 Prestige. Cost: 1800, Time: 2 days
• South Curtain Wall: +4 Security. Cost: 2500, Time: 4 days
• West Curtain Wall: +4 Security. Cost: 2500, Time: 4 days