Host a duel online against this deck itself; recommend don't check and don't shuffle.
Activate 3 Soul Exchange, then Gold Sarc banish Necroface.
On the second cycle of Necroface triggers, when player 1 would get a ton of prompts from Soul Absorption to activate the Gain LP effect, player 2 gets disconnected. This does not occur in LAN, nor does it occur in this equivalent puzzle.
I suspect this is not an issue with the server core, but with SRVPro MITM.
On the second cycle of Necroface triggers, when player 1 would get a ton of prompts from Soul Absorption to activate the Gain LP effect, player 2 gets disconnected. This does not occur in LAN, nor does it occur in this equivalent puzzle.