User blog comment:Khaladar/Twinstaff of Magnus/@comment-98.66.150.248-20120603201334/@comment-4834593-20120604184354

Really? Compare to WotA. WotA gives:

80 AP and 20% spell vamp, partly AoE.

This one has 5 AP and 2% spell vamp less, and 25 Mpen and 300 health more. It costs 850 more. I think it's balanced.