The Mella NPC in Tidefall allows players modify the stats of their rod permanently in Fisch. But, to spawn the NPC, you must gather the Requis, Tide, and Thalas Essence in Fisch and place them in the Mella Summoning area in the Sunken Reliquary. So, if you are looking to make one of your rods more powerful than before, here is a detailed guide to spawn the NPC and start customizing your stats.
