Talk:FGO USA Tour 2019 Kickoff Commemorative Campaign (US)/@comment-37869276-20190219172425

I tried doing this twice and in both cases used a Stun against her (Waver's NP stun) and, in both cases, the stun did not stop her casting Defender of Humanity after the stun was over.
 * It is possible to avoid Artoria Pendragon (Alter) from casting the Defender of Humanity buff and all subsequent derivative buffs by stunning her on the same turn the player depletes one of her HP layers. (whether or not charm works is untested, but the result should be the same)

I'm already done with the quest anyways though.