Levels more like 48-52, I've seen OJ con.
He is a Runemaster and WILL BOLT, ROOT AND NUKE. Be ready to engage as soon as you start fighting, but being a runemaster has caster HPs and goes down in a few hits.
He drops 2 items each time I killed him and can drop the same item twice, I have gotten 1 Trinket and 3 Begirdings.