Equipment item set
Impenetrable Bastion
Set pieces and the strongest bonus available at each threshold.
Compare with another set →How Impenetrable Bastion bonuses work
Impenetrable Bastion contains 9 pieces with 5 bonus tiers. Bonuses unlock at 6, 7, 8, 9, 10 equipped pieces, and only the highest eligible tier applies.
Set pieces
Every item that belongs to this set.
| Item | Kind | Level requirement |
|---|---|---|
| The Dominator | Two-hand hammer | 62 |
| Impenetrable Bastion Ring | Ring | 62 |
| Impenetrable Bastion Book | Trinket | 62 |
| Impenetrable Bastion Legs | Legs | 56 |
| Impenetrable Bastion Body | Chest | 58 |
| Impenetrable Bastion Helm | Head | 60 |
| Impenetrable Bastion Visor | Face | 62 |
| Impenetrable Bastion Pauldrons | Shoulders | 64 |
| Blunt Stick of Doom | Mace | 62 |
Each equipped copy counts as one piece. A threshold can therefore exceed the number of different items shown when paired equipment slots accept more than one copy.
Exact bonus tiers
Thresholds sorted by required equipped-piece count.
| Equipped pieces | Applied bonus |
|---|---|
| 6 | Armor +1,800 · Attack power +20 · Stamina +12 |
| 7 | Armor +2,200 · Attack power +30 · Stamina +18 |
| 8 | Armor +2,800 · Attack power +45 · Stamina +26 |
| 9 | Armor +3,400 · Attack power +60 · Stamina +34 |
| 10 | Armor +4,200 · Attack power +80 · Stamina +42 |
Only the highest eligible threshold applies; lower tiers are not cumulative. Item-set bonuses are inactive while a mining, unlocking, or wood-cutting tool is equipped in the main hand.