While singing a shorter version of her song of shields, Alice was able to show off her skill to condense light elemental mana in to a shape. The problem was that her shields did not have the ability to add healing as well. The idea that adding healing was going to be a separate skill for Su was out of the question. She did not have the magic skills, to begin with but she wanted to develop some since she had the affinity due to her connections with Midnight.