At first glance, the buffs that this CE offers are not great. However, compared to most 4* craft essence offering similar buffs this CE offers a greater and more consistent NP gain for servants with a large number of Arts cards.
Increase your Arts Card effectiveness by 10% & NP Gain by 5%
Increase your Arts Card effectiveness by 15% & NP Gain by 10%
It should be noted that “The Faithful Dog Who Waits” is a more obtainable 4* craft essence that grants the equipped servant better NP generation but weaker arts performance. However, “Witch of the Moonlit Night” offers a greater buff to Arts card performance, thus we should equipped this on servants who can fill their gauge fast with their Arts cards.
There are many servants that can benefit from the buffs “Witch of the Moonlit Night” has to offer, especially caster as they usually have a high amount of Arts cards and can benefit better from the Arts cards performance buff.