Wit's End

artifact

Attacks deal 25/45/65/85/100 bonus magic damage.
Heals the holder for 25% of all magic damage dealt.

Damage increases based on Stage.

Source

Heal

A Heal restores Health to a unit.
Omnivamp

Omnivamp heals a unit for a percentage of the damage it deals.
Max Health

Max Health is extra maximum HP given to a unit.
Armor

Armor is the physical-defense stat that reduces incoming Attack Damage (AD) damage.
Magic Resist

Magic Resist is the magic-defense stat that reduces incoming Ability Power (AP) damage.
Attack Speed

Bonus Attack Speed (AS) makes a unit attack more often per second.
On Hit

On Hit is an effect that fires on each basic attack that lands.
Magic Damage

Magic Damage is damage that Magic Resist reduces.