Yeah, it's amazing how much info can be retrieved from an ancient mummy!
What I managed to find is info, that he had measured doses of mushroom, which would indicate he used it for medicinal purpose.
https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(05)79939-6/fulltext
He got shot with arrow in his shoulder. Scientists estimate it'd be fatal even with current medical treatment. There is more here:
Very interesting read. Thanks for sharing the links.
Otzi died in battle, but went full metal and recovered his arrow after slaying two others with it. Wow.
The legal dispute over the finder's fee is also such an interesting modern twist to all of this.