I have a bum right wheel, stepped on a rusty nail as a kid & my entire heel bone turned to custard, with a thin egg shell like bit keeping it from collapsing.
8 years later, when the figured it out, I had my heel bone hollowed out.
They didn't close it back up, they cleaned out the inside of it for 2 months until it closed on it's own.
Watching big roach clips with a cotton ball on the end disappear into your foot, is something you don't forget
The scar is massive
& finding comfy stiff boots is tough.
From now on you are only going to buy really stiff boots, you have too.
Next time you do that to your ankle it'll take 3rice as long to heal.
Stiff boots will 90% prevent that, but there's still a chance.
I did pretty much the same thing a long time ago, over shot the landing & ate shit big time.
My knee touched the nose of my board & tore up my ankle.
Almost my whole season went down the shitter.
I couldn't take it after a while, I needed to get back out there for some spring riding.
I couldn't barely walk in normal shoes, if I stepped on so much as an ant my ankle would roll over.
This worked so well I couldn't believe it
I bought an air-cast, it has an air bladder supported by rigid plastic.
Your leg bone would probably snap before one of these things.
Just make sure you have the bladder full enough so that no plastic touches your ankle when the air gets compressed from riding.
This is a must do thing or prepare for agony
Once you have that dialed in, you need to find a fairly soft boot that is @ least one size bigger. Fairly soft because it'll hurt like a som bitch trying to get your foot in something stiff.
Your foot with the air-cast on it should fit in there & the stiffness of the air-cast will make up for the soft boot.
All I could really do was stand there & lean slightly to each side to carve, couldn't hit jumps or even go that fast, mostly out of fear that my ankle might explode.
But that didn't matter, I was back on the hill riding in sunny spring