Mjolnir

Source: npc/quests/seals/god_weapon_creation.txt

1. Talk to Dwarf Grunburti at gld_dun01.gat,28,85.
2. Choose Request a weapon creation. -> Mjolnir.
3. On active craft state, confirm Make Mjolnir..
4. Materials listed by NPC: 2 Thor's Gauntlets, 4 Iron Maiden, 5 Wrath of Valkyrie, 5 Omen of Tempest, 5 Billow, 20 Oridecon, 5 Elunium, 40 Gold, 1 Stunner.
5. After seal/material checks, reward line is getitem 1530,1.