(edited by Keefe.3821)
Toggle on or off ground targeting
No need for a toggle. GAoEs will automatically select point 0 (yourself) if your mouse is over any HUD element, like the skillbar.
As for engis, there used to be a reason to through them on enemies, but sadly they took away the Acidic Elixirs trait :c I miss stripping buffs off enemies at the same time as buffing allies.