virtual void last_tick( dot_t* d ) override
  {
    td( d -> state -> target ) -> agony_stack = 1;

    if ( p() -> get_active_dots( internal_id ) == 1 )
      p() -> shard_accumulator = rng().range( 0.0, 0.99 );


    warlock_spell_t::last_tick( d );
  }