hey man i personally like this build. I actually created something similar. what I'd recommend adding is alternative builds after all Mordekaiser is now considered a fighter and not his original mage. I made myself a hybrid build but i also gave the builds for a mid lane, a top lane, and the top lane hybrid. I also recommend trying to focus on the Q more considering it stacks much nicer and the scaling ratio increases as you level up the Q other than that you made an excellent build.

If u want scaling ap runes, take scaling ap blue's and flat ap quints, more scaling and more flat ap.

dont pick perservance on morde his basic regen is absolute ****, also dont pick unyielding you should most likely pick recovery instead

Definitely a good build. Tried it out and beat down their team. I was middle vs Fizz and he got wrecked. Only thing I would consider is adding another armor item like dead man's plate or something as a alternative to thornmail. If their team doesn't have many auto attackers or their adc is Vayne, thornmail won't do much good. Anyways, good job!

Thanks, dude, appreciate that! Okay, I will pay attention to your words and make some changes!

Only complaint is that they changed Mordekaiser's Q, so it doesn't crit on the third strike anymore. Other than that, good work.