Since 2005, I-1 has been promoted to many countries in the world. Through these years, fighters from all over the world have shown their interests in participating in I-1 events. However, I-1 is very strict and conscientious in selecting the participating fighters to make sure the champion complies with the 4 “I”s, i.e., “Invincible”, “Intelligent, “International” and “Intercontinental”.