The capstone abilities at level 20, some classes and archetypes have one that is an awesome reward, some classes and archtypes have one that disappoints.
Let each player pick the capstone ability that they want. Have a list of capstones, like a list of superfeats to choose from. Some can be class specific, some can be generic.
Let each player pick the capstone ability that they want. Have a list of capstones, like a list of superfeats to choose from. Some can be class specific, some can be generic.