Does a chain attack's damage bonus apply to healing arts?

Question

During chain attacks there is a damage multiplier which increases how much damage attack arts do to an enemy. Does this damage bonus multiplier apply to healing arts?

Answer 1

Based on some testing while fighting regular and elite monsters, the "Chain Boost" does indeed affect healing arts. However, the boost is calculated differently with healing arts, resulting in only a few hundred points difference rather than thousands with combat arts.

Below is an image while fighting a standard monster (I'm currently controlling Mio as a Tactician). By using the AOE Healing Art "Stormy Skies", my units were healed anywhere between 573 and 591¹ points of HP.

Below are two screenshots while also using Mio as a Tactician, and using "Stormy Skies" while doing a Chain Attack. The first screenshot has a 300% boost and the second screenshot has a 543% boost. The difference in healing between the 300% and 543% boost is negligible², and "Stormy Skies" did in fact heal an additional ~150 HP during the chain attack.

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¹ This number was the same while fighting a standard monster and elite monster, this was just the image I uploaded

² Again, this is probably due to how it calculated differently than combat arts. I plan on testing around with higher damage boosts to see how much this gets affected.