// Needed as doSpawn() is required to be called also for the NpcInstance it returns.
npcSpawn.startRespawn();
SpawnTable.getInstance().addNewSpawn(npcSpawn, false);
L2FestivalMonsterInstance festivalMob = (L2FestivalMonsterInstance)npcSpawn.doSpawn();
// Set the offering bonus to 2x or 5x the amount per kill,
// if this spawn is part of an increased challenge or is a festival chest.
if (spawnType == 1)
festivalMob.setOfferingBonus(2);