There are a maximum of 88 Terraria achievements worth 1,713
3,556 tracked gamers have this game, 146 have completed it (4.11%)
Buckets of Bolts19
Defeat the three nocturnal mechanical menaces: the Twins, the Destroyer, and Skeletron Prime.
Unlocked by 937 tracked gamers (26% - TSA Ratio = 1.94)
Do you have a question about this achievement? Please post it in the Terraria Forum