God of thunder thor with system

I should have listened to my brother's that were last thoughts.

But next, I see hammer right side of my bed..What is this thing?...hmmmIt looks familiar.... It's...... It's Mjolnir....I shouted.Next, I heard a long voice in my ear.{ universe traveling system activation }Whatttttttt...

....

.........Mc can travel to different universes,{ solo levelingDCNarutoOne pieceOne punch manMurim loginCultivation worldand many others }