when 30300.use with pc.in_dungeon() and pc.get_map_index() >= 660000 and pc.get_map_index() < 670000 begin
pc.remove_item("30300", 1)
local pct = number(1,10)
if pct == 1 then
game.drop_item(30302, 1)
d.clear_regen()
else
game.drop_item(30301, 1)
end
end