"The Soul-Breaking Fragrance is a combination of two poisons. The colorless and odorless one is what truly erodes a martial artist's strength, but for this poison to take effect, two conditions must be met!"
"First, it must be inhaled over a long period. Second, it requires the guidance of the green gas!"
"This fellow must have released the colorless and odorless poison long ago; you simply failed to notice it. As for that flask of green gas just now, it was merely a primer to trigger it!" Immortal in the Painting continued to explain.
Chapter 325