Show yourself.

"That black armor…" Sigyn said, her eyes on the large floating screen.

"It's different." Mimir replied. "Now I see why she was chosen for this task…"

Same as all Nephilim who stayed behind on the ship, those two were busy watching the battle to free their brethren, especially the battle against their queen, which was what was keeping them on the edge of their seats.

Saying Thor is powerful would be an understatement. On top of her natural combat sense which was far more advanced than any other Nephilim, she wielded a unique halo capable of producing cold lightning, something that went against the known laws of physics. The Runes making it up were impossible to replicate, same as Hela's gravity manipulation halo which still remains a secret to this day.