A mana vault is a very rare and special type of passable terrain found only in Dungeon Keeper 2. It is recognizable by a hole in the ground from which individual blue-green sparkles and periodic ring-shaped clouds of sparkles emit. When claimed by a Keeper's Imp, the ring-shaped clouds turn the owner's color, and each mana vault increases its owner's mana influx by +100 per turn, even beyond the normal +500 per turn maximum for owned territory.
| ||Claimed Path / Dirt Path / Gem Seam / Gold Seam / Lava / Reinforced Wall / Earth / Impenetrable Rock / Water|
| ||Claimed Path / Dirt Path / Gem Seam / Gold Seam / Lava / Mana Vault / Reinforced Wall / Rock / Solid Rock / Water|
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