City Walls
The Siege of Erebor #19 (x3)
Location
2 (3)
Dale.   City.  

Forced: At the end of the round, deal 1 damage to City Walls. Then, if City Walls has 3 damage on it, discard it and deal 2 damage to Dale.

Shadow: Either deal 1 damage to the main quest or the attacking enemy gets +2Attack