Despite having a long quest name, this one is just another mini quest with simple steps with decent rewards. You can complete it even faster if you already have all the materials that the Melusine wants.
Rewards: Primogem x20, Mora x26500, Varunada Lazurite Fragment x1 & Strange Part x1
➥ Teleport to Merusea Village and head west towards Sluasi and her little house. Talk to her to start the quest. The tasks are extremely easy, granted you have all the materials she wants.
➥ The first item she wants is: the closest to the sun in color. You can give out any items that were highlighted by the game, such as Nilotpala Lotus, Cor Lapis, or Berry.
➥ The second item is something white. You can give either Sango Pearl, Qingxin, or White Iron Chunk.
➥ The last item is something black. You can give either Sand Grease Pupa or Iron Chunk. After that, you will complete the quest and get the rewards.