The DLC name is "Dire Destiny ：Time Travel-Tech knight"

Background introduction of the DLC

In this world, the ground is ruled by a massive army of machines, and humans can only hide in the cracks of the underground. However, the pilots are unwilling to accept this fate. They have trained themselves into aviation experts, and for survival and freedom, they pilot planes to fight against the machine army in the sky. Their courage and perseverance give other humans hope again.

This DLC will add a new character, the Tech knight, who is an 18-year-old girl that loves the sky and flying, and has a unique anger mechanism that players can utilize to gain additional combat power in battles. Additionally, the Tech knight will have a set of exclusive cards that allow players to try out new combat mechanisms and gameplay.

Features of the DLC:

• New character: Tech knight, who will have a unique mechanism that allows players to gain additional combat power in battles.
  
• Exclusive cards: The Tech knight will have a brand new set of exclusive cards that allow players to try out new combat mechanisms and gameplay.