Give each trait line two new function key abilities. One function key replaces weapon skills with new skills (start with 2 and add more if needed) with function key cool down. These skills correspond with trait line functions. this skill bar lasts for a short period Before switching back to weapon skills. Second function key changes out profession mechanic to be replaced with trait mechanics to be used in the f1-f4 key.
One main trait line or many may be applied at once. Apply as needed to build profession as needed.
Add more trait functions as needed.