*/
public void onBuff(L2PcInstance player, L2Effect buff)
{
if (player == null || !player.isInDuel() || buff == null) return;
Duel duel = getDuel(player.getDuelId());
if (duel != null) duel.onBuff(player, buff);
}
/**
* Removes player from duel.
* @param player - the removed player