If I started a fire, then I might've possibly unlocked a special talent in me that I never knew about!

[But he's certain that no one in the Ishimaru line had a fire spirit, so no awakening of powers for him!]

But I knew that I wouldn't start one, Miss Thief! [Because he hasn't forgotten her 'crime' yet!] I would never intentionally start a fire like that! It's arson!