Explain this in detail in the form of a story:
1. Walter Hahn is an Austrian professional wrestler signed to WWE.
2. He is the current WWE Intercontinental Champion and the longest reigning NXT United Kingdom Champion.
3. He has won five world championships in wrestling and is the first Austrian to compete in WWE.
4. He has also won championships in Westside Xtreme Wrestling, Pro Wrestling Guerrilla, Progress Wrestling, and Defiant Wrestling.
5. He is part of a group called Imperium and has had many exciting matches.
6. He won the NXT UK Championship by beating Pete Dunne and held it for a record-breaking 685 days.
7. He is known for his high-energy wrestling style and for his ability to adapt to his opponents.