Mordekaiser's ability costs are always applied to his health; Iron Man's shield is not used for the health costs.
Other shields, such as Runic Blessing, also will not be used for ability costs.
Mace of Spades
COST: 20 / 25 / 30 / 35 / 40 health
COOLDOWN: 8 / 7 / 6 / 5 / 4
Active: Mordekaiser enhances his next attack, increasing the range of this attack by 75 and converting it to deal magic damage and replacing the base attack damage component with a base amount of damage. He swings his mace with such force that it echoes out, striking up to 3 additional nearby targets.
If the target is isolated, the ability deals 65% more damage.
Active: Mordekaiser creates a protective cloud of metal shards to surround an ally unit and himself for 6 seconds, increasing the target's and Morderkaiser armor and magic resistance and dealing magic damage each second to enemies within 250-range.
Active: Mordekaiser deals magic damage to a target enemy champion and curses it for 10 seconds, dealing additional magic damage over time and healing himself for the damage done.
If the target dies while under the effect of the curse, their soul is enslaved as a controllable ghost and will follow Mordekaiser for 30 seconds. The Ghost cannot use any active skills or items and deals magic damage with its basic attacks.
Initial Magic Damage: 12 / 14.5 / 17% (+ 2% per 100 AP)of target's maximum health
Magic Damage Per Second: 1.2 / 1.45 / 1.7% (+ 0.2% per 100 AP)of target's maximum health
Total Magic Damage: 24 / 29 / 34% (+ 4% per 100 AP)of target's maximum health
Ghost Bonus AD: 25 / 50 / 100
The Ghost's stats are:
Health: The enslaved champion's total health plus 15% of Mordekaiser's maximum health.
Attack Damage: The enslaved champion's base AD at level 1 plus its bonus AD from items and an additional bonus depending on Children of the Grave's rank.
Ability Power: The enslaved champion's AP.
Movement Speed: The enslaved champion's base movement speed plus the bonus from Mordekaiser's boots.
Leash Range: 1125
During this time, Mordekaiser gains 25% of the enslaved champion's bonus health and 30% of the enslaved champion's AP. This bonus does not affect the ghost's stats.
Children of the Grave is a single-targeted ability that marks the target.