With World of Warcraft's 5.4 patch this past September, developer Blizzard Entertainment began linking servers through a feature called Connected Realms, and the studio laid out future plans today for connecting additional realms.

Blizzard will make its next batch of connections Monday, Dec. 23, during a scheduled maintenance period that is expected to last about five hours starting at 9 a.m. ET. Here's the list of realms to be linked:

Anetheron and Magtherdion/Ysondre

Crushridge and Anub'arak/Chromaggus/Garithos/Nathrezim/Smolderthorn

Darrowmere and Windrunner

Demonsoul and Coilfang, Dark Iron, and Dalvengyr

Draka and Suramar

Velen and Eonar

Another group of realms will be connected during a maintenance window beginning at 9 a.m. ET on Friday, Jan. 3:

Akama and Dragonmaw

Executus and Kalecgos

Galakrond and Blackhand

Shandris and Bronzebeard

The Forgotten Coast and Balnazzar, Gorgonash and Warsong

Undermine and Anvilmar

Blizzard also included another list of realms in its blog post, saying that they'll be connected at some undetermined point in the future:

Bladefist and Kul Tiras

Nazgrel and Vek'nilash/Nesingwary

Nazjatar and Mannoroth/Blood Furnace

Norgannon and Kargath

Stormscale and Firetree/Rivendare/Drak'Tharon/Malorne/Spirestone

Uldaman and Ravencrest

World of Warcraft players can read more about Connected Realms here.