Rush/ First Back:
After ROA Rush
Alternative if you're doing really good:
Not Updated For Current Season
The masteries shown here are not yet updated for the current season, the guide author needs to set up the new masteries. As such, they will be different than the masteries you see in-game.
Threats to Heimerdinger with this build
|Katarina||Kat has no chance against Heim if she dashes to you just stun her and W, or when she ults just cancel it with your E (Stun)|