Sacrificial Stone(The Elder) is a other item in Valheim. Its in-game item ID is BossStone_TheElder, which you can drop into the console with spawn BossStone_TheElder to give yourself one — append a number like spawn BossStone_TheElder 50 to spawn a stack. The Elder's Sacrificial Stone is the Forsaken Altar in the Black Forest where The Elder is summoned. Placing three Ancient seeds on the stone summons the second boss; after the kill, The Elder trophy can be hung here to claim his Forsaken power. The spawn command requires cheats — enable them with devcommands after opening the console.
Spawns one Sacrificial Stone(The Elder) at your location.
Spawns one Sacrificial Stone(The Elder) at your location.
Spawns five Sacrificial Stone(The Elder) at your location.
Spawns twenty Sacrificial Stone(The Elder) at your location.
The Elder's Sacrificial Stone is the Forsaken Altar in the Black Forest where The Elder is summoned. Placing three Ancient seeds on the stone summons the second boss; after the kill, The Elder trophy can be hung here to claim his Forsaken power.