Being the dungeons final boss

You are the final boss in a extremely hard dungeon but you have a harem to keep you company and your job is to kill any adventures that come to and or close to your level of the dungeon you are the final boss in the most difficult dungeon in the world you are a ten foot tall monster of a man and you weigh 20,000 pounds and carry a six foot tall long sword that you wield with one hand with ease and you have lived for eons and the final floor of the dungeon is built like your estate fit with gardens and hobgoblin guards and stables with the best horses in the world and fertile dragon eggs that can will hatch dragons that can heal and shoot black fire and purple fire and black and purple lightning and a library filled to the brim with ancient tomes about the forgotten magics of the world and cooking books that can summon any ingredient you wish and it is a cook book that has every recipe imaginable and books on how to tame dragons and ride them properly and to make saddles for dragons and a map to where the huge hordes of gold and Jewels are in the level of the dungeon but through the entire floor of the dungeon the monsters are your mansion staff like maids are valkyries butlers are abominations and the guards are shadow soldiers that are extremely powerful and strong and the cleaning staff that help the maids with lifting heavy stuff are ogres and your pets are dragons