There are a maximum of 88 Terraria achievements worth 1,604
4,939 tracked gamers have this game, 268 have completed it (5.43%)
Buckets of Bolts18
Defeat the three nocturnal mechanical menaces: the Twins, the Destroyer, and Skeletron Prime.
Unlocked by 1,554 tracked gamers (30% - TSA Ratio = 1.82)
Do you have a question about this achievement? Please post it in the Terraria Forum