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?. ..hmmm It 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 leveling DC Naruto One piece One punch man Murim login Cultivation world and many others }