User blog comment:Zilla4444/AD upgrade for Chalice of Harmony/@comment-5130019-20120615141101/@comment-5009341-20120615142650

why?, this item is made for the mana hungry ones, not for tanks (same as athenes), so that a carry can get this witthout wasting to much for def stats and mana reg... well same as coh, it is enough, it gives u the double mana reg if u need it (when ur mp are low)