User blog comment:Fistful of Force/Just how much did Olaf get screwed?/@comment-82.240.214.188-20130219014645

So : they nerf the slow on Undertow. They nerf the armor pen on the ult. They nerf the CD on the W, which means less AD.

Logical answer to all this : center your build around E instead of Q. Use your Q as utility ti reach your target, and your E for damage.