Loa

The trolls draw power for their voodoo magics by performing rituals and invoking the Primal Gods, Old Gods, forest spirits, and ancestral spirits: their Loa spirits and gods.

Loa spirits are more powerful than the elementals, but not as powerful as gods. Supposedly, these spirits are mighty entities that grant the faithful extraordinary powers. By calling upon these voodoo spirits, the shadow hunter gains special blessings with which he can combat darkness and help those in need. The abilities granted vary according to the Loa the shadow hunter calls upon. Almost any being who has died and transcended death can be worshiped as a loa, including Forsaken shadow ascendants.

The shadow hunters' faith and communion with the Loa gods grants them shadow and healing magic, and other abilities. Shadow Hunters learn magic that hinders enemies and aids allies, gaining a unique mix of spells that delve into the more occult aspects of the Loa.

The five high priests in Zul'Gurub each have a corresponding Primal God. High Priestess Mar'li worships Shadra, High Priest Thekal worships Shirvallah, High Priestess Arlokk worships Bethekk, High Priestess Jeklik worships Hir'eek and High Priest Venoxis worships Hethiss.

The three high prophets in Gundrak each have a corresponding Primal God. Gal'darah worships Akali, Moorabi worships Mam'toth and Slad'ran worships Sseratus.

The troll pantheon (Loa gods)
All trolls worship a pantheon of primal forces; a sacred animal represents each aspect of the pantheon.

Amani Loas
The trolls of Zul'Aman worship primal beings they call the Forest Gods.
 * Ula-tek, Goddess of Serpents. (Never stated to be a Loa)
 * Nalorakk, the Bear.
 * Akil'zon, the Eagle.
 * Jan'alai, the Dragonhawk.
 * Halazzi, the Lynx.

Bloodscalp Totemic spirits

 * Mahamba, the Water Spirit.
 * Tsul'Kalu, the Earth Spirit.
 * Pogeyan, the Fire Spirit.

Darkspear Loas
Originally part of the Gurubashi Empire, the Darkspear also continue to worship many of the Gurubashi loa.
 * Bwonsamdi, the Guardian of the Dead.

Drakkari Loas

 * Sseratus, the Serpent.
 * Har'koa, the Snow leopard.
 * Rhunok, the Arctic Bear.
 * Quetz'lun, the Wind serpent.
 * Mam'toth, the Mammoth.
 * Akali, the Rhino.

Drakkari Gods
Although part of the Troll Pantheon, they are apparently gods and not Loas.
 * Dubra'Jin
 * Zim'Abwa
 * Zim'Rhuk, the Wise One.
 * Zim'Torga, the Mother of Prosperity.

Gurubashi Loas

 * Hakkar, Blood God, and his avatar.
 * Shadra, the Spider, God of Spiders, Mother of Venom, Silk Dancer, Death's Love.
 * Shirvallah, the Tiger.
 * Bethekk, the Panther.
 * Hir'eek, the Bat.
 * Hethiss, the Snake.

Sandfury Loas

 * Kimbul, God of Tigers, Lord of beasts, King of Cats, the Prey's Doom.
 * Mueh'zala, God of Death, Father of Sleep, Son of Time, the Night's Friend.

Vilebranch Loas

 * Akil'darah, the eagle spirit of the Hinterlands.

Zandalar Loas

 * Zanza, worshiped by the Zandalar Tribe.
 * Gonk the Great Hunter, is an ancient spirit in Zandalarian tales.

Shadowhunter Loas

 * Legba, Loa of Speed.
 * Lukou, Loa of Healing and Respite.
 * Ogoun, Loa of War.
 * Dambala, Loa of serpents and treachery.
 * Samedi, Loa of the cemeteries and the restful sleep of the dead.
 * Shango, Controller of the Realm of Storms.

Worshipped as Loas
The trolls respect and believe the following to be loas, however the the veracity of this is unknown
 * Shadow ascendants
 * Wisps
 * Ancient Guardians of the Night Elves
 * Aessina
 * Aviana
 * Cenarius
 * Goldrinn
 * Malorne
 * Tortolla

High priests

 * Arlokk, high priestess of Bethekk.
 * Hawinni, high priest of Quetz'lun.
 * Jeklik, high priestess of Hir'eek.
 * Kilnara, high priestess of Bethekk.
 * Mar'li, high priestess of Shadra.
 * Mu'funu, high priest of Quetz'lun.
 * Thekal, high priest of Shirvallah.
 * Tua-Tua, high priestess of Quetz'lun.
 * Venoxis, high priest of Hethiss.

High prophets

 * Gal'darah, high prophet of Akali.
 * Moorabi, high prophet of Mam'toth.
 * Slad'ran, high prophet of Sseratus.

Speculation

 * From the conversation you have with Zen'tabra in the troll starting zone, it can be assumed that the Loa, or at least the Primal Loa like Gonk, either reside in or have access to the Emerald Dream.
 * Similarities with the Ancient Guardians, such as being animal-based demigods, and their residence within the Emerald Dream, leads to speculation that they might be the same type of Eternal.
 * Sen'jin has been hinted at in Vol'jins short story The Judgment to possibly be among the loa.

Inspiration
The names of the Loa gods are inspired by the true Haitian Vodoun Lwa. Some of their attributes are correct also, but others are pure creative license.