Raid reputations are linked to factions that help you during some of the game raids. They are very useful as they allow you to have an easier time near the end-game phase. There are three Raid reputations, Zandalar Tribe, Brood of Nozdormu and Hydraxian Waterlords.
Zandalar tribe is a faction of Zandalari the first of all the tribes of Trolls on Azeroth. They arrive in Yojamba Isle in an effort to seek allies in their fight against the resurrected Blood God and his Atal’ai priests in Zul’Gurub and the Sunken Temple. This faction will allow you to get items and enchantments that should be quite helpful during the Zul’Gurub raid. You can earn reputation with this faction by killing bosses and trash during the raid. You can repeat the process as long as you need to, as the raid resets every 3 days. You can also gain reputation with them by completing repeatable quests.
The Brood of Nozdormu is a faction of Bronze Dragonflight who are the dragons tasked with guarding time. They mainly assist you by opening the gates of Ahn’Qiraj and are instrumental for the war with the Qiraji of Silithus and the forces of the Old God C’Thun. You can gain reputation with this faction by killing trash mobs inside AQ20 and AQ40, farming Silithid Carapace Fragments in the repeatable quest, killing bosses inside AQ20 and AQ40, completing quests from the Scepter and completing reward quests in Ahn’Qiraj. You can get an impressive amount of rewards with this faction if you manage to play your cards right.
The Hydraxian Waterlords are a faction of water elementals that oppose Ragnaros and is led by Duke Hydraxis. You can gain reputation with the faction by killing Air and Fire elementals in Silithus and the Burning Steppes or killing fire elemental bosses in Blackrock Depths and Upper Blackrock Spire, killing enemies in Molten core and completing the final quest for the faction.
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