Guild Wars 2

Is it possible to combos putrid mark (blast) with spectral wall (line)? I keep trying various placements but can’t find any way to generate the combo (which should apply chaos armor). Not particularly practical but I’m curious and want to know if anyone has had any luck.

Spectral Wall is buggy, it’s in the necro bugs list.

The Etheral field of Spectral Wall is placed on top of the necromancer that casts it instead of where the wall is