Necklace - How he got it is a secret until it is revealed in roleplay. Which won't until around..the end of his apprenticeship.
Scars around his eyes - A act of sympathy from Forestpelt. This way he could tell people he lost his sight by protecting his clan in battle ; not because he was born disadvantaged.
I need help with warrior names. Any suggestions?
(Do not say Jayfeather.)