Challenge boss slayer
CHALLENGE_BOSS_SLAYER100.0%
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Achievements and their recorded unlock rates.
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CHALLENGE_BOSS_SLAYERCLEAR_MYSTERYCLEAR_NIGHTMARECLEAR_HARDCLEAR_NORMALCHALLENGE_CENTURY_IANCHALLENGE_BARRAGECHALLENGE_REGEN_ZONECHALLENGE_TIME_DILATIONCHALLENGE_STASISCHALLENGE_PULSE_ROCKETSCHALLENGE_BLUE_KITECHALLENGE_RED_SHIELDCHALLENGE_RAINBOW_GEMCHALLENGE_AEGISCHALLENGE_KITECLEAR_FAREWELL