>Old Rasputin Imperial Stout is still 11.9% ABV, if you are looking for hangover-fuel-in-a-bottle.

It's actually "only" 9%. (https://northcoastbrewing.com/beers/year-round-beers/old-ras...)

If you want a high-alcohol beer, consider a draught of Tactical Nuclear Penguin at a bracing 32% ABV (https://blog.brewdog.com/usa/blog/the-worlds-strongest-beer-...)