How Yasuo could have saved the elders...
Maybe
could have saved the elders if he at least stopped training in shouting and tried training in fighting a little more...
Maybe
could have saved the elders if he at least stopped training in shouting and tried training in fighting a little more...
He wasn't present when the elder was killed.
EDIT: He neglected his post of protecting the elder during the invasion because he was still just a hot spirited young man looking for a fight, which he came to regret the decision afterwards and forever living in guilt.