Let's say I have an Ampibom with Substitute and Baton Pass and a Shuckle in my party.
I'll use Substitute first, and let's say this sub does not get broken. I then Baton Pass onto Shuckle, so he now has a Substitute up. I know that this sub currently has an HP of 1/4 of Ambipom's Health. However, I want to know whether Ambipom's or Shuckle's defensive stats are used to calculate damage for the substitute.
Thanks for your help!