Originally posted by jonnin:

The bosses are not about reactions. I am getting older too, so I know what you mean (I gamed under dos and 2e). The bosses are really gear checks: can you make food, are you wearing the right armor, did you brew the right potions so that you can take a hit or two, are your weapons and skill levels up it, etc. If you have all the right stuff and a decent exit strategy if things go wrong (eg you get stray normal enemy on you mid fight) they are like chopping down a large tree with a camping hatchet ... its slow, but not terribly difficult.

Good summary. The bosses don't really have something like quick events where you need to dodge or block something, if you simply keep your distance. Most attacks are well telegraphed. Valheim bosses are much more about preparation and strategy, as well as intuition if you're going to go in blind.

It's also a co-op game, most bosses are much easier with a shield-brother or sister.