Use Disarm shout, then Dragonrend, now pull out an Elder Scroll and banish him from current existence, he will show up about a thousand years later or so from current time...

He doesn’t have very good combat mechanics on his side. If you call up some other RPG protagonist to help, most of them can probably maje quick work of him. I’d recommend calling Nier. That Dovahkiin wouldn’t have the mobility to dodge the Sealed Verses.