Everyone knew that the biggest obstacle in competitive sports was injuries, yet injuries couldn't wait to be dealt with until they occurred. Regular maintenance and prevention were necessary.
The most direct example was that after each game, players needed to engage in restorative training and treatments, which included but were not limited to cycling to relax muscles, ice baths, massage therapy, and more. Just like muscles needed to be warmed up before a game, they also required a similar process to cool down afterward to prevent inflammation and potential problems.
It's no exaggeration to say that post-game recovery was as important as pre-game warm-ups.
This Recovery Effect Doubling Card played such a role.
Initially, Li Wei had thought it was meant for recovery after sustaining an injury, but a careful reading of the instructions revealed that it was used to enhance the effects of recovery training after each training session or game.