Abyssal harpoon is a tool item in Valheim. Its in-game item ID is SpearChitin, which you can drop into the console with spawn SpearChitin to give yourself one — append a number like spawn SpearChitin 50 to spawn a stack. The ocean's wrath. The spawn command requires cheats — enable them with devcommands after opening the console.
Spawns one Abyssal harpoon at your location.
Spawns one Abyssal harpoon at your location.
Spawns five Abyssal harpoon at your location.
Spawns twenty Abyssal harpoon at your location.
The ocean's wrath.
The Abyssal harpoon is a one-handed harpoon spear forged at a Workbench from Fine wood, Chitin, and Leather scraps. Its primary use is to hook Sea Serpents from a boat and reel them in close enough to kill, after which they can be looted for Serpent meat and scales.