The Reasoning behind The Sundering? (*6.0 Endwalker Spoilers*)

[Rannie]

We don't even know who in the Pandaemonium storyline is the 'present' Lahabrea, if it's anyone we've actually met, so we can't yet pass judgement based on that. But the final Tales from the Shadows directly confirmed that the 'present' Lahabrea wasn't exactly all there anyway.

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Hmmmm, I believe that many are seeing the current Lahabrea in pandaemonia being the same one that we killed is due to this portion of the tales story

From peerless Ifrita to that hopelessly immortal bird, his creations had burned bright and beautiful─as did he.

Which is the probably the third boss Phoinix (their spelling) and the Phoenix has been attributed to Lahabrea


Edit: this was also the same bird Emet had to deal with in the Through His Eyes story after he was first raised to the seat of Emet-Selch


Either way he does seem to be starting to go a bit guano whether from being a workaholic or just passage of time to body jumping too much. I dunno