WAR_MODE_STATUS_UPDATE

Payload

#	name	type	description
1	`warModeEnabled`	boolean	Whether War Mode is now on.

Blizzard's documentation marks the event as synchronous.

implementedThe emulator fires it on its own, from its login model. what the statuses mean

TRAINING_GROUNDS_ENABLED_STATUS_UPDATED · Fires when the training grounds become available or unavailable. Blizzard's PvP frame refreshes its queue button.
UPDATE_BATTLEFIELD_STATUS · Fires when the status of one of the player's battleground or arena queues changes, such as queued, invited or in the match. Blizzard's UI updates its queue status and the ready dialog.
ARENA_OPPONENT_UPDATE · Fires when the player's view of an arena opponent changes: the opponent is seen, goes out of sight, is destroyed or is cleared. Blizzard's arena frames lock, unlock or hide the opponent's frame depending on the reason.
ARENA_SEASON_WORLD_STATE · Fires when the arena season information changes. Blizzard's PvP frame updates its title while shown.