The new anima hotfix

[Perl-anetheron (Perl)]

It should apply to any character on your account that meets the requirements. At least, that’s how I read the post on it:

Anima Rewards Increased

Since we increased Anima drops a few weeks ago, we’ve seen a lot of feedback that obtaining Anima still feels as though it becomes too difficult as you progress into the later tiers of the features of your Covenant. We don’t want players to feel as though spending 10,000 Anima on a feature upgrade is ever the wrong thing to do. The heroes of Azeroth have made a great impact in the Shadowlands, and continuously defeating the Jailer’s forces should make Anima more plentiful. With hotfixes that ha…

The announcement makes no mention of unlocking this on one character and it applying to all your characters (assuming that’s what you meant by ‘account bound’).