"heals" is sort of shorthand for the job healer characters do in games like World of Warcraft. Raids are challenging dungeons in which groups of 10 or 25 players work together to defeat large groups of "enemies" and very tough "bosses." The 3 roles in any raid group are tank, damage per second and healer. Tanks have extremely high defensive stats, allowing them to draw the focus of the mobs to them, while the DPS deal high amounts of damage. Healers; well... they keep the players alive. There are several different classes which can be healers, and each class has different talent builds. The examples I used were Holy Priest and Restoration Druid. As oppsed to Shadow Priests and Feral Druids, which are DPS specs.
"Heels" are a component of womens`shoes.
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