Massive screen-width background Health Bar. Completely invisible at 100% Health.
I still haven't gotten the Divide By Zero error after a dozen or so hours, so I'm calling it finally fixed.
I plan to add more cool features later, but for now this weakaura is fully Release Candidate and should be 100% safe for any Class to use.
(On DF Beta this weakaura will occasionally have "Divide by zero" errors. It doesn't do that on live servers so I think it is caused by an unrelated Health Bar bug on beta that causes your health to disappear randomly. If my math in the small amount of code is wrong please comment the proper formula. The weakaura still works fine and the error can be ignored for now. This formula is what might need to be re-written, IDK I'm terrible at math: return 1-(hp/maxHP) I want to add a line of code that nill/nulls if MaxHP<0 rather than erroring, but I don't know how to do that yet.)
Ported from my Shadowlands weakaura here: https://wago.io/3Jr0ESnuc