You will find that some magic is ineffective, so think well before you use it.
Don't let your guard down, and keep fighting!
In a valiant effort to use "bogus", I think the translator kinda missed the point of Pong's message. He's just saying that some magic will be more useful than other magic in certain places, but the English version kinda just makes you scared to use any magic for fear that it'll, I dunno, go Pop and tear your ear off or something.
Yuu has been kidnapped! Hurry and rescue her!
Look closely at the anigif for this one. Ignore the ugly Allison-head art. Look at how they actually specifically went in and filled out Allison's breast by a couple pixels. What the heck? I mean, seriously.