In the world I come from, weapons and armor have things called "stats". They're stronger than they look by way of numerical value. It'll take a lot of time to explain but basically, because of a level that I am, level 74, I'm able to take a lot of punishment, and avoid a lot of damage just by being stronger numerically than my opponents who are well under the level range of this encounter.

The Goblin King is level 50 level monster, and required a Full Raid when it debuted. We'll have no trouble killing it unless we tarry.