Hi this is my first time making a build but iv been playing with this build alot on ranked and i have 1550 rating,and i expect to rise alot more :D

Best boots for you Magic Pene as much as posible
Keeps you alive and you regenerate fast the HP you lost due the abilites you cast
You have to have this item it gives you some CC and boosts your HP and Ability power


,,Ok this was an amazing discovery for me what spell vamps does to Mordekaiser you are unstoppable late game with enough Spell vamp!!!
Again some CC and good def against AD

You have to level it as fast as posible its the fastest way to get your shield up
This is a preety good support skill but you have to know when to cast it,example vla pooled you should wait for him to get out of the pull to do maximum dmg and you should also def some of your guys but i love to cast it alt+w :D
a good skill but you better cast it if he is solo double dmg baby :D
And now the best skill in the whole game :D.Try to cast always with ignite combo and always but always focus it on the opponets team carry or some heavy AD never focus AP heroes.

9/0/21 You have to get Pressence of the master you need to have alot of CD Reduction,and then again you have to get magic pene cuz of your shield.

x9 Magic Penetration is very important ecause you need to get your shiled up as fast as possible
x9 They are the most efective runes in early game and late game cuz you dont have alot of HP and its nice if you dodge something :D
x9 The enemy team almost always has alot of magic damaage delrs so Magic Resistance is always good.

I prefer ghost it allows you to chase succesfully run away and much more
You have to have Ignite cuz of your combo with you ultimate.

This isnt a finished description but you can ask me anything you want TY for reading and i hope you make a successfull MORDEKAISER!!!!