Stormserpent Saboteur = https://www.grimtools.com/calc/w26rBXb2
Success = consistent death. It hardly kills Morgoneth, can complete 65-66 with a few deaths 
I mean really it’s not even rougelike farmer, no guarantee that you kill Gargabol etc. I wouldn’t even dare to say it can complete some end-game ‘‘content’’ safely. You can kill totems at tops.