Ninja Gaiden 2: Hint - Yellow Essence Exploit (Chapter One)

The following yellow essence exploit can be completed on the game’s very first chapter, and is especially useful when playing on Master Ninja difficulty. Before and after crossing the bridge, you’ll deal with enemy ninjas (it’s the bridge where the first God of Life and a treasure chest can be found). After you cross the bridge, defeating ninjas as you go, head towards the middle alley that brings out two more ninjas on foot and another two ninja archers. Run back and charge up to Ultimate Level 2. Continue to run back and forth, and the ninjas will keep respawning and coming at you. If you have the skill, getting away with $40,000 while having 50%-75% of your health still available to you is a possibility.