I suppose...I'm just killing time.
So interestingly, he's using the pronoun '私' which probably means one of three things:
1)He's actually a woman (possible)
2)He's being overwhelmingly formal (Likely)
3)He has zero self-confidence(Less likely)I can't kill myself, so I might as well kill my time...Well then let's play with this~So y'see, you stab it with these tiny swords.And if you cause the tiny god to pop out, then you lose.What an interesting lass...
To approach me with a challenge...Even if it's just a game, you can't back out of it now...