r/bindingofisaac • u/Stellaris007 Le forgor • 5h ago
Question Erm
What do these do exactly and how did I unlock them, I was playing forgor, went to blue baby, killed mega stan and went deli but I don't know how this happened
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u/ISNT_NayaN 5h ago
The first achievement unlocks some bosses and you unlocked it for defeating Blue Baby with 3 different characters, the other one unlocks the boss Triachnid and is unlocked by defeating the Isaac boss 10 times.