My NPC who sell fluids, blank runes and buy empty vials. The problem here is that he doesn't count, as for example:
The code:
_state = 0
_count = 0
_index = 0
_delay = 1000
items = {}
items[0] = {name = 'blank rune', id = 2260, subtype = -1, sell = 10}
items[1] = {name = 'mana fluid', id =...