Sesshomaru and Inuyasha in “Unfinished Business”

Sesshomaru

This is good; there's no one around to interrupt our battle.

Inuyasha

You disappoint me, Sesshomaru! I never imagined you'd sink this low!

Sesshomaru

Adamant Barrage! (he fires the attack at Inuyasha, thinking) You disappoint me too, Inuyasha. Is this really the extent of your abilities? If so, it only proved that you never deserved to wield Tetsusaiga in the first place.

Sesshomaru

Hmm, it would seem the scabbard's barrier protected you.

Inuyasha

Sesshomaru! You... you were actually trying to kill me!

Sesshomaru

If you prove yourself weak, I'll kill you. Then, I'll get rid of Tetsusaiga and Tenseiga, for good! (he hurls Inuyasha back) Prove it, Inuyasha. Prove that it is you who is the rightful heir to Tetsusaiga; that is all I ask.

Inuyasha

(thinking) "Prove it?" (chuckles) So you're telling me, if I win, you'll let this go?

Sesshomaru

Something like that. (he launches another Wind Scar, driving Inuyasha back)