Guess it's good to know our options.

[He continues to fire, trying to concentrate on the areas that seem the thickest for maximum effect.]

-oh, that's a good idea.

[Except that most of his thrust was built in behind, although the massive shield he carried had its own power.]

...it'd probably be a bad idea using the Beam Harmonica down here, huh. I can cover a lot more area with it, but I don't know how strong this tunnel is!