While You're Removing GP5 Items From ARAM
Remove Redemption from it as well. That item does not belong on that map in any fantasy. It's a completely toxic item on Howling Abyss (honestly in general) due to it's anti-poke being used on poke comps preventing you from doing anything against them.
non-existent, because it's radius will more than likely reach you in that map.
Only the person who bought the item gets the full benefit from it. Everyone else gets the -50% Healing reduction.