@Stx powerful assault is good enough for 4 dungeon tanking, even very good i would say, but if you plan on trialing where you have 11 more people with you instead of 3... it is outperformed by torugs, especially when u can use torugs to craft light/medium pieces for hands / belt for undaunted passive without losing as much resistances as u lose with head and shoulders l/m
With my past question about tanking, some people recommended alkosh or something like that. I found out that they drop in trials, How can I obtain them if I'm a solo player? Any other sets besides ebon armory that will make me not selfish. Currently: 5 Plague Doctor, 5 Fortified Brass and 2 Morihaus (for Health Bonus)
Side note: I have a gold problem too so I can't buy legendary upgrade mats. Can't run vet dungeons too.