Many of these coords are just for location reference; the realms are all custom and the maps are unwarpable so you'll have to explore. NOTE Bring the designated class that you intend to do by this quest. Step 1 Talk to the Mysterious Griever. Step 2 Talk to Heith and bring her the following items:  9 Dew of Yggdrasil [17142]  9 Prophetess Ward [17143]  9 Ymir's Heart [17144]  9 Mighty Strength [17145]