itch.io

true.  The only thing I can think of is that he hit the bosses spikes which reduced it, but not sure. I'd just reload at that point and start the fight over.

In combat, it blacks out all items that don't have clickable actions like armor and accessories.  They should still apply their bonuses though.  It's just a way to visually see what items you can still click on to take an action. Basically it's saying you can use your spear, shiv, shields, and whetstone at that particular moment.

The game saves every new floor. Plus, you can manually save on empty map tiles.  I do agree that there should be a confirm on that button though.