Alcaz Prison role guide: tank, healer and DPS (WoW Forever)

Alcaz Prison is a 5-player dungeon for levels 48–53 in Alcaz Island, Dustwallow Marsh (Blizzard dungeon post, 20 Oct). Bosses and loot aren't public yet; we'll add them as we confirm them, on the dungeon page.

What Blizzard has said

Where: Alcaz Island, Dustwallow Marsh (Kalimdor)
Defias and naga fight each other inside; King Varian Wrynn is among the prisoners.

What your group has at level 53

Everyone has up to 44 talent points, enough for the 31-point milestone in one tree. Abilities that unlock around this range:

Tanks

Protection Warrior (S): Shield Wall no longer shares a cooldown (15 min); Thunder Clap in Defensive Stance.
Protection Paladin (S): Consecration hits the first four enemies hardest; Judgement taunts from 10 yards.
Feral Combat Druid (A): Lacerate at 16 points, potions and enchants work in Bear Form; no interrupt.

Healers

Holy Priest (S): Prayer of Mending, several Priests' Renews on one target, Prayer of Healing heals pets.
Restoration Shaman (S): Chain Heal, Riptide at 31 points, resistance totems that cover the whole raid.
Holy Paladin (A): Strongest single-target healer per Blizzard; Light's Vigil at 31 points for group damage.

Damage

Frost Mage (S): Frost Nova plus Cone of Cold for packs; water for the whole group.
Enhancement Shaman (A): Windfury Totem is now a raid-wide buff; can off-tank a pull with Spirit Weapons.
Elemental Combat Shaman (A): Lightning Overload reaches 30%; Lightning Bolt raised 80% at max rank on 3 Nov.
Affliction Warlock (A): Curse of the Elements now covers all magic damage; Soulstone for wipes.