Yes, Zhang Lie would fight fire with fire.

The second stage of his [Ninecarp Transformation] afforded him with extremely corrosive genetic energy, and he had discovered that [Eclipse] was consuming some sort of resource in order to dissolve his genetic energy, so if he were careful, it wouldn't be impossible to drain [Eclipse] before he was drained instead.

His first attempt was reasonably successful. Even as his own genetic energy was consumed, he successfully corroded away part of [Eclipse]'s strength.

When the Eclipse Sage saw what was happening, he couldn't help but praise Zhang Lie. "Oh, your technique isn't too shabby! To think that it too would possess potent corrosive power!...