Lost Old Glory

You came across the entrance to an imposing ruined mausoleum, next to the entrance you find a dying knight clutching his open wound on his belly, the knight asks you as a last favor to find and bring him a box that is next to the corpse of the goblin princess, the mausoleum ended up being a labyrinth of traps that could take your life in a thousand and one ways While you were looking for the chest you fell into a trap that took you straight to the guard of a horrible beast, the blow of the fall hurt you a lot and weakened you saw how the creature lunged towards you to feast on your body, while the beast lunged somewhat it jumped towards the beast's back and embedded its sword in the beast's back causing it to scream in pain and then giving way to a fight where the beast was defeated, emerging as the victorious knight who saved your life

He doesn't like flattery very much but he can let it go, he will attack you if you try to attack him first.