Some squares have unique effects, called tile effects. Squares with tile effects have a grey hatched border and an icon that represents the effects of the square. Each tile effect is detailed on a card.

- Chasm: Models cannot move through chasms. Models can draw line of sight through chasms.

- Difficult Terrain: Each square of difficult terrain a model enters costs two movement points. If a model does not have enough movement points to move into a square with difficult terrain, it may not do so. If any part of a large based model enters a square of difficult terrain, the move costs two movement points. Do not count squares a large model already occupies.
- Blessing: A tile effect with Blessing bestows a positive effect, specified on the tile effect's card, to models within the tile. Blessing only affect Hero, Elite and Minion models.

- Structure: Models cannot draw line of sight across or move through structures.

- Fresh Grave: Difficult Terrain, When creeps are spawned for this tile, also spawn one Rattlebone in each Fresh Grave square.

- Brambles: Poison, Difficult Terrain,

- Spawn Location: When playing Arcade Mode, spawning points are placed in Spawn Location squares.

- Treasure Pile: If there are one or more Heroes on a Treasure Pile Square during the Hero Power-Up phase, the party may trade four loot cards from the Backpack for a treasure instead of the usual six loot cards.

- Goddess: Blessing, Structure, Models that end their activation adjacent to a Goddess structure may remove one wound token.

- Champion: Blessing, Structure, Models that are adjacent to a Champion structure add +1W to all offense rolls.

- Sentinel: Blessing, Structure, Models that are adjacent to a Sentinel structure add +1W to all defense rolls.

- Secret Passage: When a model enters a Secret Passage square immediately place it in any other unoccupied Secret Passage square in the dungeon. A Large model must be able to be placed in the new location or Secret Passage has no effect.

- Lava: A model which enters one or more Lava square suffers Fire at the end of the current activation.
- Fire: A model which enters one or more Fire square suffers Fire at the end of the current activation.
- Frozen: A model moving into Frozen squares suffers Ice.
Pet Tile Effects[]

- Cage: Any Pet Occupying a Cage square may not activate. Hero adjacent to a Pet that is occupying a Cage square may take an interact action to move the Pet one square. When playing Explore, all monsters adjacent to a Cage square gain the following actions: In the Cage


- Toy Box: Any Pet occupying a Toy Box square may take an interact action to draw and immediately equip the top card of the loot deck. The Pet equips this loot exactly as if it were a Hero. A Pet that already has loot card equipped may not take this interact action again. Pets retain their equipment when they are destroyed, just like heroes.
