I’ve Got Six Top-Tier Martial Souls, and My Opponent Just Changed Classes

In 4817 AD, the end of the world came to Earth. Overnight, countless meteorites suddenly appeared, destroying 90 percent of civilization on the planet. Forests were engulfed in raging flames! The oceans became frozen wastelands in an instant! Cities turned into seas of fire! The planet was reduced to ruins! In April of that year, Eagle Country was suddenly attacked by a mysterious force. Media reports the following day identified these demons as the “Blood Demon Legion.”