Your son managed to breach the massive Wall, opening the way to Odin's hall. Shortly after, however, Thor was able to strike the World Serpent hard enough to splinter Yggdrasil, sending Jörmungandr back in time.

You tell the girl Thrúd to take Atreus & the mask away, whilst you try and reason with Thor. You charge forward only for the God of Thunder to grapple you at lightning speed, engaging in one last time in a duel to the death.

"I AM DONE WITH YOU AND YOUR SON!"

You both painfully right in front of the Great Lodge. He gets up quickly, still shaken by his fight with the World Serpent, and PISSED at you standing anywhere near his last child.

"NO MORE fucking games. And this time... I am allowed to kill you."

He snaps his fingers, instantly recalling Mjolnir to his left hand to fight you.