L77 Dex Bird

[Extreme]

For pve or pvp? Regardless this is a decent build

9 Blast shot
6 avian
9 thorn root
9 focus
3 restore ( optional some like it some dont and personally I put those points into break or root )
9 evasion
5 shattering scream
3 break
9 repulse
9 blind
5 thorn wall

This is a basic build which you may like its usually a matter if preference of what you use

If I recall correctly 5 Avian already has 100% break free from stuns (?)

Also me, I'd go with my old 76 build: (+1 on thorn wall for L77)
9 Evade
9 Focus
9 Thorn Root
9 Blast
9 Blind
9 Break
9 Repulse
6 Thorn Wall
5 Avian
1 Shatter Scream