It deals impressive damage but has a short period, meaning it should be used sparingly.
Gorou is described by Kazuha as a person who speaks his opinion without regard for the sentiments of others.
However, if the player uses Raiden Shogun as an enabler via her skill, Yoimiya has an excellent synergy working with the Raiden Shogun.
The more I think about it, it can't possibly be that simple.
Triggering said effects decrease Elemental Skill cooldown by 1 second.
They try to get whoever is the 5-star character, so it's valuable to see the two active banners during this time frame.