Coc th 13 skill bk on really cheap

Your base is maxed out, seriously awesome even without walls.

Town Hall Level: 13, max defenses, walls automatically impressive
Builder: 5
Gems: 624
Rename: 500 gems to change your name
Barrack Level: check screenshot
Spell Factory Level: check screenshot
Defense: 95% complete, only traps and bombs left
Barbarian King Level: 64
Archer Queen Level: 70
Grand Warden Level: 41
Royal Champion Level: 39
Battle Machine Level: 24
Skill level 6 is pretty solid, go for it.