[使用: 工作台]

Cracked Worn Short Bricks * 6

↓

Cracked Worn Short Bricks Stairs * 4

[使用: 切石机]

Cracked Worn Short Bricks * 1

↓

Cracked Worn Short Bricks Stairs * 1

[使用: 切石机]

Worn Bricks * 1

↓

Cracked Worn Short Bricks Stairs * 1

[使用: 高炉]

获得经验：0.5 点

耗时：5 秒

Worn Short Bricks Stairs * 1

↓

Cracked Worn Short Bricks Stairs * 1