When the Fantastic Four came to Terrax's world and conscripted him into Galactus's service which surely lead to the deaths of billions they met Terrax's people who were telepathic. Why has Terrax never shown this ability? I think the alternate timeline Terrax in Hickman's New Avengers talked telepathically with Black Swan...but the story implies she's the telepathic one not him.

Did Galactus remove a power from Terrax because it didn't serve his purposes?