Given giant insects are just a Thing in his world, Sephiroth doesn't see anything impressive about fighting a lot of them. They aren't intelligent enemies.

"I mistakenly assumed you would be less irritating company. I won't, in the future."

He is absolutely worse at this friendship business; at least she's willing to apply the word. He'll even take the convenient out she provided him and dodge answering the first part of her question. "As if I would present anyone with anything so childish as a friendship bracelet."

...Zack would have liked that though, wouldn't he? Case in point, Zack is a child.