Leveled four characters up to 60 without dying

Leveled three characters up to 60 without dying

Leveled two characters up to 60 without dying

Leveled one character up to 60 without dying

First person to complete a certain achievement

Complete the challenge without getting any Worldbuffs

Complete the challenge without entering a dungeon.

Complete the challenge in a group of two.

Complete the challenge without any professions.

Complete the challenge by only equipping gray and white items.

Complete the challenge naked (no armor)
(Miscellaneous such as rings and trinkets are not allowed)

Complete the challenge without using health potions.

Kill King Bangalash while being under level 40

Killing mobs only. No quests allowed.

Pets are mortal. Release Pet when it dies.
[Hunter]

No range attacks, melee only.
[Hunter]

Complete the challenge without taming a pet
[Hunter]

Complete the challenge by only using fire spells.
[Mage]

Complete the challenge by only using frost spells.
[Mage]

Complete the challenge by only using arcane spells.
[Mage]

Use Imp as your only pet to complete the challenge.
[Warlock]

Complete the challenge by only using shadow spells.
[Warlock]

Complete the challenge without using totems.
[Shaman]

Complete the challenge by only using nature spells.
[Shaman]

Complete the challenge by only using instant spells.
[Shaman]

No stealth, no vanish.
[Rogue]

Complete the challenge without using poisons.
[Rogue]

Complete the challenge by only using Battle Stance.
[Warrior]

Use only one-handed weapons in combination with a shield.
[Warrior]

Complete the challenge by only fighting in Bear Form.
[Druid]

Complete the challenge without shape shifting (Caster Form only).
[Druid]

Complete the challenge by only using holy spells.
[Priest]

Complete the challenge without using a wand.
[Priest]

Complete the challenge without using blessings.
[Paladin]

Complete the challenge by only using two-handed maces.
[Paladin]

Complete the challenge without using immunity spells.
[Paladin]