There are a maximum of 88 Terraria achievements worth 1,613
4,407 tracked gamers have this game, 218 have completed it (4.95%)
Buckets of Bolts18
Defeat the three nocturnal mechanical menaces: the Twins, the Destroyer, and Skeletron Prime.
Unlocked by 1,306 tracked gamers (30% - TSA Ratio = 1.83)
Do you have a question about this achievement? Please post it in the Terraria Forum