While in a Stance, you may substitute its attack for that of your equipped weapon. You may only do this with a one-handed melee weapon

Gain proficiency with all melee weapons.

All of your melee weapons gain Thrown 4. If it already had the Thrown property, double its range. After you throw a weapon, you may have it reappear in your hand at the end of your turn

You may use 2-handed melee weapons with Adapted Strike

(1/turn) Action: Attack with your current Stance’s given attack as well as that of your equipped weapon. Combine their damage for the sake of calculation.