The ornate bow is a level 108 crafted bow that can be aquired in the city of Cennyn and can be crafted with 10 diamonds (obtained uncommonly trough digging) and 15 horse hair (obtained in the tribal village in north of badlands for 15k GP each) and it costs 22k GP to craft.
In-game description: "A finely crafted bow"
+4 Attack against animal
+3 Zen per turn
Can hold a max of 2 enchantments