Stone Fortress
Cost: Idk something similar to the new mega buildings coming out.
Hp:500
Atk:7
Rng:5
Sight:6
Arm:5
P.arm:11
Actions:3
Heal:4
Cap:4
Passive burning
Buidable on mountains (since apparently the new 2x2 buildings have something special in how they are built.)
Trains:
Goblin Zepplin
Minotaur
Wyvren rider
Skrill rider
Troll crusher
Cave troll
Troll axe thrower
Troll headhunter