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: 25 / 32 / 39 / 46 / 53 health
COOLDOWN: 8 / 7 / 6 / 5 / 4
Active: Mordekaiser enhances his next attack, 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 alone, the ability deals 65% more damage.
Active: Mordekaiser creates a protective cloud of metal shards to surround an ally unit or himself for 6 seconds, increasing the target's 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
The Ghost's stats are:
Health: The enslaved champion's total health plus 15% of Mordekaiser's total health.
Attack Damage: The enslaved champion's base AD at Lv. 1 plus its bonus AD from items and 75% of Mordekaiser's total AD.
Ability Power: The enslaved champion's AP plus 75% of Mordekaiser'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 20% of the enslaved champion's total AP and AD. This bonus does not affect the ghost's stats.
Children of the Grave is a single-targeted ability.