There is not much use for Instance coins after we get what we need, so i think reduce Shadowdecon to 1 instance coin would put them closer to they actual value and to other methods of get them, and would incentive players to do instances as a viable way of alternative content other than just grind on clock tower basement or other endgame maps. Atm its not worth the price, and event at 1 cost i believe it wouldnt make it a better or faster way to get than grind on maps, just a good alternative way.