Sheep,Meat,Goblin,Fire,Grass

Sheep will eat grass, and when they have enough grass they will breed.

Sheep will starve to death if they don't eat grass for a long time. When sheep die, they will generate meat resources.

Meat can recruit goblin warriors, whose attacks will generate fire

Meat can also recruit Goblin ranged soldiers, which will throw explosives, which will explode and produce fire

New explosive barrels that explode and create a lot of fire

Fire damage does not distinguish between friend and foe...