Either go from world teleport area or from depot the West.
Head to the wild warriors cave, follow the path to the smaller area with stairs to 4 different ways. Go South, magic longsword is with stairs down, guarded by warlocks and 1 Osiris. Apocalipsis is South, you can go straight to the chest or make a round with a singular Osiris.
From wild warriors cave, go to Warlocks area and head South-east. Go past the demons and climb up and head to the teleport. The quest area has some cyclips, krampuses, demodrases and pharaohs. Also there’s alot of fake chests, the real one is marked on the map to the West.
Head to the wild warriors cave, go demons side (East stairs) and follow the path to the North stairs going down. There’s a small room with demons and experience door. It leads to Annihilator like quest area with demons and orshabaals. The chest is after you have finished the Orshabaals.
Head to the wild warriors cave and go the demons side (East stairs). Follow path to the East and go downstairs, follow path up and head East to the experience door. After that comes few more teleports, there are monsters such as morgaroths and beheloniano brutals. The chest is at the end next to teleport back to city.
Enter the wild warriors cave and go to Behemoth area (North stairs). Follow the path filled with behemoths and some uglos, the chest will be found at the end.