Board Thread:Consensus Track/@comment-187.23.113.8-20140202201034/@comment-6881629-20150526101036

Making archery a Legendary Skill will return all your perk points and reset it back to fifteen your bow damage will also be reset along with the skill. Legendary skills aren't for making the actual skill stronger but to let you get more levels (health, stamina etc) and for more perk points.