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.
All work and no play makes Mordekaiser a dull mace!
Not much to say about Mordekaiser as he's pretty straightforward. Keep your shield up, use ignite in cojunction with your ulti. Kick *** and stay alive.
If you can, get mid. For most mid players, being against Morde is really annoying and problematic due to the shield.