"Desire" is clearly a type of extremely BUG-like Alpha anomaly, with rules strong enough to "defy the heavens and rewrite destiny"—if Sun Hang hadn't made himself forget about the "Three Monkeys" in advance, even the Three Monkeys might have been "replicated" by Desire.
Besides that, "Desire" possesses a very clear personality consciousness, categorized as a rare anomaly that can be communicated with.
Whether it's its mimetic code or its knowledge and memory, these are invaluable to Sun Hang... but with the Three Monkeys present, these are destined never to fall into Sun Hang's hands.
Even if Sun Hang chooses to face "Desire" alone, the Three Monkeys will autonomously act to erase Desire, leaving no room for maneuver.
As for letting Desire replicate the Three Monkeys as well... that risk is simply too great; it's not just about playing it safe anymore... considering Sun Hang's own capabilities couldn't deal with the Three Monkeys, if there were simultaneously two sets...
