Vicecannon pulls you out of cloak when fighting DKS, its their major ressistance buff that does dmg when they take dmg. the vicecannon dot does dmg to them, and u take dmg and get pulled out of cloak.
It's been that way for a couple patches now at least.
7-day PVP campaign regular 2016-2019, Flawless Conqueror. MagDK/stamplar/stamwarden/mageblade. Requiem, Legend, Knights of Daggerfall. Currently retired from the wars; waiting on performance improvements.
i know, was hoping they would fix it with morrowind.. but they didnt.. i had to post on here in hopes of em doing something about it.. i have my doubts tho.