Black core is a material item in Valheim. Its in-game item ID is blackcore, which you can drop into the console with spawn blackcore to give yourself one — append a number like spawn blackcore 50 to spawn a stack. Filled to the brim with ancient power. The spawn command requires cheats — enable them with devcommands after opening the console.
Spawns one Black core at your location.
Spawns one Black core at your location.
Spawns five Black core at your location.
Spawns twenty Black core at your location.
Filled to the brim with ancient power.
A Black core is a Mistlands material found inside Infested Mines, usually on stands in hidden rooms. Black cores are required to build Mistlands-tier crafting stations like the Black forge, Galdr table, and Eitr refinery.