The Alchemist, when he appeared before Andrew, had already demonstrated his abilities and strength in an instant.
Although Andrew could sense the presence of this figure approaching stealthily in the dark based on his instinctive awareness of danger,
it did not mean that the other's abilities were a failure.
On the contrary, the fact that he could get so close to Andrew almost without a sound under such circumstances
perhaps also indicated to some extent that he possessed the ability to elude most, if not all, who possess the power of invisibility.
No matter how one looks at it, having such power would make anyone incredibly envious, and when faced with such a temptation, if one chooses to resist, it would seem somewhat unclear.
Only by choosing to accept such power was there a possibility to understand it further, and only with a deeper understanding, could she know what benefits it could bring her and the dangers it could help her avoid.