Patriarch Meng doesn't need to worry, and neither do the other practitioners of Ancient Medicine.
The Energy Dissipating Pill isn't really considered a poison; it merely temporarily seals one's Inner Strength, without much effect on the body.
As a Level Four Member of the Pill Alliance, Ying Zijin was just able to produce the Energy Dissipating Pill, which indeed matched her current level of skill.
The Great Elder stroked his beard, thinking to himself that once he returned to the Pill Alliance, he should provide Ying Zijin with a few elixir formulas similar to the Vein Fragmenting Pill, so that she would have the ability to protect herself in the future.
Ninety percent of Ancient Medicine practitioners possess no Ancient Martial Cultivation, but they can protect themselves with the Gold and Silver Needles and elixirs.
"Hey, doesn't this mean it's a tie? If it's a tie, how should they compete?"
