So i used the /rtp command in DonutSMP and saw an end crystal and hit it with my sword in hand and totem in off hand but still died and got sent back to spawn without my stuff obviosly and i dont know the coordinates to get back to my death place and i lost every thing and now have zero keys to get my stuff back.
Environment
Grassy plain with obsidian placed with end crystals
Modified servers are unsupported.