The Cannibal – Guardian of Valyria’s Darkest Secrets?

what if the cannibal wasn't just a wild Dragon but a forgotten Guardian from old valyria a creature left behind to protect something ancient and Powerful unlike the targaryan dragons the cannibal was never tamed its violent Behavior attacking other dragons and devouring their eggs might be more than just aggression could it be fulfilling an ancient Duty imagine the valyrians before the Doom creating untameable dragons like the cannibal not to ride but to guard their most dangerous Secrets magic weapons maybe even the very knowledge that gave them control control over dragons the cannibal solitary existence on Dragon Stone may be more than territorial Instinct it could be protecting something buried deep beneath the island ensuring no one Targaryen or otherwise gets too close so is the cannibal just a rogue dragon or The Last Guardian of valia's darkest secrets