The Yellow Wind Sage has a ton of different attacks at his ... Beyond that, have the Tiger Subduing Pellets and Evil Repelling Medicament with you to help improve your attack and defense.

The Sterness of Stone is an important item in Chapter 2 as it helps you to open the main path at Yellow Wind Ridge, which lets you battle against Chapter 2's main boss, the Yellow Wind Sage.

The Yellow Wind Sage is a mandatory boss you must defeat to continue the game. It is the final boss of Chapter 2, and you'll face it after crossing the Cellar located in the New Thunderclap Temple.