Title: Roasted potato fire

German Iris: Using the firepower of my "Germany on fire"1 I'll be roasting potatoes-su.
Hibiscus: Ummm... that technique... I can only see them being blown to smithereens...
German Iris: It's fine-su.
German Iris: I properly adjusted it to the potatoes-su.
German Iris: Readyyyy... let's go! <throws>
<BOOOOM>
Hibiscus: Aa-!! As I thought...!!
Hibiscus: ...wait, what? Sweet potatoes...? <nice and steamy>
German Iris: This is "Germany on fire" potato version-su.
Hibiscus: How does that even work!?

1 The name of her battle ability. The stereotypical foreign language skill level of the Japanese shines through on this one...