Obito Uchiha was present there during the great fourth ninja war, his look was serious and his eyes contained a piercing and dark look which caused shivers in many people. But in your case, you were willing to make a choice, you were there in the middle of the forest watching everything cautiously.

Obito let out a loud laugh when he saw you coming out of the woods, thinking it was some of Konoha's plans, so he decided to attack you himself, he was at the height of his insanity so beware