Twitch Drop Blazing Hippogryph Mount not rewarded after completion

[Sniperorc-azgalor (Sniperorc)]

Twitch Drop - Blazing Hippogryph Mount

Twitch drops must be claimed on Twitch and can take up to 24 hours before they appear in-game In other words, you have no reason to worry or complain until it’s been at least 24 hours after claiming.