The bombs cause Tanyuu to startle again, and her head jerks up before she bucks to push Rin into flight.

"Go, help the others! Fight him off!"

Then she darts a few paces forward before focusing her magic into the greenery at the base of the pillars. Grasses grow into lush piles, bushes flower and spread with as soft of leaves and vines as she can manage--with those explosions, the chains are likely to shatter, and that fall isn't going to be pleasant without something to break it.