verb
Pick_Up()
set src in oview(1)
world << "<b><font color=yellow>[usr] is not in posession of the Hogyoku!"
usr.got_hogyoku = 1
src.loc = usr.contents
mob/proc
Upd_Inv()
var/row = 0
for(var/obj/V in src.contents)
row++
src << output(V,"Inv_Grid:1,[row]")
Problem description:
When I view the inventory grid, it didn't change.
Also, you should clear the grid before outputting the items again: