Being a beam-based weapon meant that the smart beam rifle's shots could hit and go straight through the targeted imps to maximize the six shots they had from it, although it was still nowhere near enough for the situation or for Keroro.

Not to mention the fact that after seeing that pillar of fire, Keroro was itching to show off, Quick, let's Realize something else, Eve-dono!

The imps they hadn't managed to kill were regrouping, after all, and they had to maximize their time.