The Fish-Dragon Essence was of Immortal grade and contained a vast amount of life energy, making it an excellent choice for enhancing Blue Steel Shadow.
Besides the Fish-Dragon Essence, there was also a Sea Spirit Essence. This essence was of Holy Spirit grade, but the life energy it contained was far inferior to that of the Fish-Dragon Essence.
Octopus Brother had brought not only two essences but also several other items. Su Xiao picked up the items scattered across the deck one by one.
You obtained Shell Bone (Epic-grade material).
You obtained Coral Fat (Holy Spirit-grade material).
You obtained Condensed Vengeful Blood (Holy Spirit-grade material/item).
You obtained Ice Obsidian (Epic-grade ore).
Of the four items, Su Xiao planned to sell the three besides the Condensed Vengeful Blood to Reed. As for the Condensed Vengeful Blood, it was a rare treasure.
After a living creature's blood was dripped onto the Condensed Vengeful Blood, it would emit a unique scent. Only vengeful spirits, dark creatures, and the like could detect this scent, and it held an irresistible allure for them, almost reaching the level of mental ensnarement.
After vengeful spirits, dark creatures, and the like absorbed the Condensed Vengeful Blood, they would enter a berserk state in which they could no longer distinguish friend from foe. They would also disregard the burden on their spiritual or physical bodies, forcibly overdraw their potential, and unleash terrifying combat power for a period of time.
As long as it was used properly, the Condensed Vengeful Blood could bring enormous gains. If Su Xiao dripped his own blood onto it, any unit driven berserk by the Condensed Vengeful Blood would become Su Xiao's temporary summoned creature.
While that temporary summoned creature slaughtered its way through the battlefield, Su Xiao could obtain rewards such as Soul