Answer:
You heard me before, yet you hear me again, then I die. Until you call me again.
If you spot one of these eastern warriors, they're not doing their job right.
They have not flesh, nor feathers, nor scales, nor bone. Yet they have fingers and thumbs of their own.
Different lights do make me strange, thus into different sizes I will change.
What is given but kept by the giver?
Describes a mysterious region and a stylish pair of shorts.