Shovel Knight: Treasure Trove

This can be easily done in the first level of King Knight: Plains, Valley of Dawn. I did this with upgraded armor, health, and vigor after I had completed the game. Using the Bubble Frog Heirloom makes it even easier, ultimately just make sure that you use your shoulder charge to get over small ledges and bounce jump onto enemies in your path or use your shoulder charge to bounce on them to make jumps more viable. If there are large gaps you don't want to jump for, use the Bubble Frog Heirloom, charge, and then use the Heirloom again until you clear the gap. The Vestments of Vigor make this even easier, as you can simply kill things in your path to gain more use of the heirlooms. I included a video of this level being cleared in this manner, and I am by no means an expert at this game, so if I can do it, you can too!

Video Guide: