The Patriarch of the Mithral Forest (CR27/MR10)

This lithe and graceful being resembles a shoulder length blond haired elf with green eyes, wearing hunter greens and a green cloak, that vanishes from sight into the foliage around him. 

XP 3,276,800

LG Medium male outsider (mythic, native) Terrain Patriarch 20/Guardian 10; Terrain Lord template 

Init +28 (36 in forests); Senses blindsense 60 ft., darkvision 120 ft., detect evil,