ancient creatures

Hello we have put different creatures that have attacked people so people who went into the pyramids they well got killed by the mummies and we have a few in a dessert biome setting for that thing next people have been attacked by skeletons in the island of Ireland many people got experimented there in the 18 hundreds and now they were attacked on the small island and we got a few of them it is illegal to go there now and the skeletons are in a graveyard setting