Garena - Warcraft - Dota Allstars

So I've been playing Invoker much lately to learn how to play him. Here is an -ap game from PDIH where I play him. I used the tips you guys gave me (use Icewall more and so on) and I pretty much did my best except for when I was afk this one time I think. Did I still make obvious mistakes? Training him for cw btw so I wont have to look around for sunstrike every third second like this game.

Map: DotA v6.71b.w3x   War 3 version: 1.24   Game mode: ap   Game Length: 41:8   Creator: Jackfrog