Only very extremely super high end items (Void and Demon). Will also buy high end full sets (Pure, Elf, 512). Also buying Icon texture. Will be getting more TC soon.

Edit: My prices:

Demon force: 65k
Void Force: 70k
Demon Relax: 40k
Void Relax: 38k
Demon Blood: 20k
Void Blood: 45k
Demon Timer: 6k
Void Timer: 7k
Icon: 150k
Full Pure: 15k
Full Elf: 13k
Others you will have to offer.