Rotwood Bug Acid

A carpentry master who was famous for his unmatched carving skills once said: "Upon this earth the most gruesome thing is the [103988|Rotwood Bug], so much good timber has ended up within the stomach of this worm, but it has enabled my work to reach perfection and to be conserved for a long time. The fact is that the stomach acid from this creature I hate so much can be manufactured into a magical potion! This world is so fantastic!" (Daily Quest)