Su Xiao had never heard of an astral aberrant existence called the "Mother of Mercy." Moreover, the bounty on the "Mother of Mercy" was close to that of the "Eye of No Darkness," only 400,000 ounces of Space-Time Power lower.
One was six million and the other was 6.4 million. In comparison, the difference was actually quite small. In other words, the "Mother of Mercy" and the "Eye of No Darkness," like the "Three Fingers," were most likely ancient abyssal existences.
As a peak powerhouse of the supreme tier, Su Xiao was qualified to challenge existences of this level. The reason the bounty was so high was that the task required him to "completely eliminate the Mother of Mercy."
Against an existence like this, defeating it and overcoming it were worlds apart from "completely eliminating" it. Even if Su Xiao did nothing else in the rest of this world and focused solely on eliminating the Mother of Mercy, his chances of success would still be low.
Su Xiao took out a task completion voucher. He had obtained three in total and used two. This was the only one he had left.
You have paid 20,000 ounces of Space-Time Power. You have accepted Event Bounty 3: Mother of Mercy. You have used a task completion voucher and completed the objective: Event Bounty 3: Mother of Mercy. Evaluating...
Seeing this prompt, Su Xiao focused and waited for what came next. Since it had not directly stated that this permission could not be used on a bounty, it meant that this really was possible.
As for keeping all three task completion vouchers to complete high-value bounties, that would naturally have been the most profitable approach.
The problem was that without the two earlier vouchers, which had completed two Abyss Tasks: Bestowal