Popular among doctors throughout history, Delgalge has the ability to detect any composition of chemicals. If a Delgalge meets a patient suffering from poison or illness, it will lower its flames to burn away the pollutant without harming the host.
Their poison is strong enough to eat through the hull of a tanker, and they spit it indiscriminately at anything that enters their territory. It gazes into the flame at the tip of its branch to achieve a focused state, which allows it to see into the future.