https://github.com/ToroCraft/NemesisSystem/blob/master/java/net/torocraft/nemesissystem/handlers/Spawn.java#L239

• only spawn once a day?
• add a spawn chance, unless nemesis has not been spawned in a long time
• figure out how to handle nemeses that cannot spawn in their location (Husk not in the desert)
• increase Nemesis level every time they spawn but are not killed