I mean the actual item 'an ishi'

its something you cant buy ishi must deem you deserving of it but he doesnt give them out anymore so they are worth millions even though there is no way of selling it

full demo

Full 256 without head

70-120k

80-100k

demon force

full vulcan and full supernova

40-80k

Full Vulcan 40-70k
Full Supernova 30-50k

Full Radioactive(Yes i am willing to sell)

3-5k