C63 Weapon Talent

However, once Zhang Heng pointed it out, they quickly realized that indeed, they could use this tactic in combat, and it would likely improve their performance.

Someone then remarked, "But if you want to create a barrier instantly, that would still require time, wouldn't it?"

That's true. If you aim to conjure a barrier in the midst of a fight, it will take time, and that's unavoidable