Alice did not feel comfortable handing the Cross directly to Roy King and Darkwill. She was not worried that they would betray her, but that they would fail to keep it safe.
Therefore, when Klein told her that "Hermit" Cattleya had returned the Cross, she chose not to give it to those two. Instead, she put herself through some hardship and accelerated the process of clearing the contamination.
Of course, she was only this bold because she had looked at this stretch of Fate beforehand.
Everyone in the world had a different Fate. Some people's Fates were exceedingly mundane, visible at a glance, their endings apparent with a single look. Such people were insignificant passersby in Fate—Darkwill, for example. His recent experience was already the second-greatest upheaval of his life.
As for the greatest upheaval... that had to start from when Alice took away the Dice of Probability.
There were mundane people, and naturally there were extraordinary ones as well. For someone like Klein, Alice found it difficult to see through his future. Those futures were filled with changes; a single misstep could lead to eternal damnation. The only thing Alice could be certain of was that among the endings at the end of the path they were currently walking, there was still one in which he became the new Lord of Mysteries.
Alice believed that, in a sense, the second kind of person could be called "protagonists of Fate." When she had inferred the Acting Method of the Soothsayer from Cassandra's actions, the "protagonists" Alice had thought of were people like this.
But there was a Very Serious Problem here—these two kinds of people could be switched between artificially!
Although Chaos Walker and the Sequences before it could accomplish this, it was relatively difficult. However, the Soothsayer's Prophecy was