I've always thought that decent "fix" to living dead is to keep how it is now BUT, if you don't heal for 100% of your HP you go back to 1 regardless of how much HP you were healed prior. It won't kill you outright but puts you in danger of dying. I think it would be pretty cool synergy if Living Shadow could eat the penalty for you and simply put it back on cd. Maybe make it proc a huge burst if Living Shadow dies from Living Dead's effect. It would be a cool lore tech option for when LD's duration expires and won't kill you in the process if you aren't healed.