Two birds with one stone
"have you met my parents?"
Jokes aside. A lot of people have been going on how Towers are too weak and that we lack the tools to make them more durable but have plenty of ways to destroy them.
And with Galio sitting on a 44% win rate I thought to myself. What if he could cast his ultimate on Towers?
It would be a neat little buff to him that's also thematically fitting. Plus it'll give us a way to keep towers from falling the moment people start looking into their general direction.