You technically don't even need to go to 20, just doing Psychic Weapon Master gets you +1 per level, augmenting the power gets you +1 per 4 PP and simply getting any levels is +1 per every 4. It just tops out at +20.
You technically don't even need to go to 20, just doing Psychic Weapon Master gets you +1 per level, augmenting the power gets you +1 per 4 PP and simply getting any levels is +1 per every 4. It just tops out at +20.