if (mastery < 0)
mastery = 0;
if (mastery == 0 && !player.getCubics().isEmpty())
{
// Player can have only 1 cubic - we shuld replace old cubic with new one
player.unsummonAllCubics();
}
// TODO: Should remove first cubic summoned and replace with new cubic
if (player.getCubics().containsKey(_npcId))
{
L2CubicInstance cubic = player.getCubic(_npcId);