You can’t go back in the green wall. And in the lore of Conan Exiles you can find some papers saying “3 days after the fall” so the sorcery must be the only way to get your corpse back
No it’s not.
Players were able to respawn back at their base via Kurak.
This one just spawns you at the start of the dungeon.
It was like this since the start of the dungeon and should stay this way.
There’s no harm in having it in the game.