I wonder if speed runners have found ways to abuse this...
https://wiki.sourceruns.org/Infinite-Health-Door.html
In Half-Life 1 there is a map with two doors that deal negative crushing damage, so you can wedge yourself in them to give yourself a massive over heal
https://wiki.sourceruns.org/Infinite-Health-Door.html
In Half-Life 1 there is a map with two doors that deal negative crushing damage, so you can wedge yourself in them to give yourself a massive over heal