virtual void execute() override
  {
    warlock_spell_t::execute();

    new ( *sim ) ground_aoe_event_t( p(), ground_aoe_params_t()
      .target( execute_state -> target )
      .x( execute_state -> target -> x_position )
      .y( execute_state -> target -> y_position )
      .pulse_time( base_tick_time * player -> cache.spell_haste() )
      .duration( data().duration() * player -> cache.spell_haste() )
      .start_time( sim -> current_time() )
      .action( p() -> active.rain_of_fire ) );
  }