UPDATE: GM Estild announced that the Spirit Servant Spell (218) now has a cumulative duration – it stacks!
Text of Discord Post follows:
GM Estild
Spirit Servant (218) Updated
on 26 December 2022 9:59 PM
from the Official GemStoneIV Discord
on #development-announcement channelSpirit Servant (218) now has a cumulative (stacking) duration.