Blackthorn City surely sank into the deep sea.
To seek out this city, Hang Yu definitely needs to equip himself first with sufficient Underwater Breathing Potions, or skills scrolls suitable for the ocean environment, Transformation Magical Potion, magic-guiding equipment, etc.
During his preparation, Su Yunbing suddenly brought him good news: "Bai's Abyss Secret Medicine has been successfully made."
Hang Yu was both surprised and delighted: "Really? How so fast!"
"Fast? I don't think so!" Su Yunbing shook her head and said, "We got the formula months ago, and just for developing the Abyss Secret Medicine, the value of the materials wasted reached hundreds of Purple Crystals, and it took more than half a month of refining to produce just one dose."
Hang Xiaobai is an expert-level Alchemist.
But even so, the success rate of crafting such a high-tier potion is still not high.
