To be able to make a 9th Tier magic scroll, and with a terrible spell like the Anubis' Spear, the crafter must have been at least at the 4th Rank of the Heaven realm and must have comprehended the terrifying Death Law and Soul Law.
Most importantly, releasing that spell didn't just require mana. It also required soul power. The six scrolls needed a huge amount of soul power. The price of using these six scrolls wasn't light. This could be seen from Morgan's pained expression.
The effects of these six Anubis' Spears was exceptionally good. A depressing and painful deep roar echoed from the Holy Mountain Incarnation's mouth after it was pierced. The pitch-black power within its body somewhat weakened, and many cracks appeared on the surface of its body. Even seven to eight thick cracks could be seen.