• The unevolved form of the Black Diamond.
  • The evolved Heart of Darkness.

The Heart of Darkness is a piece of Legendary (5-star) gear that can be evolved from the Epic (4-star) gear, Black Diamond. It can be obtained by ranking in the top 5% of certain Online Battle seasons.


  • 10-30% DAMAGE BOOST on Special 2
  • Any Special Attack applies 2-6% DOT which also drains 12% enemy Power.
  • 10-30% POWER GENERATION increase
  • [EVOLVED] If opponents Tags-out they receive DAMAGE equal to 10-20% of equipped character's damage



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