Describe the bug

when i had the perm to regen and sied i just died. the regen never happen. the only way i could get it to work was to drink the elixer

To Reproduce

give perm to regen
have player kill you
died like normal

drink elixer
die as expected and regen power is said to be used but never used.

Screenshots

No response

Log files

Paste configs or pastebin.com link here!

'/tardis version' output

B 2964
MC 1.21.1

should also note that sometimes post regen players can get stuck in the ground, is it possible to do a blast wave ( kill mobs ) lift player up 2 blocks and break the blocks above and around them them to clear space tot prevent getting stuck in the blocks?