Which Primarchs would be most disappointed in how their legions/sons turned out? Both traitor and loyalist?
In a perfectly written book, where everyone can agree that a Primarch returns by whatever way they deem fit, no matter if they were permanently killed or turned to chaos...
Which Primarch would be most disappointed how their legion and sons turned out, and if so can you point to certain in-lore instances to back it up?
Let's assume these returned Primarchs are of sound mind and pre-Great Crusade mindsets.
Somehow I believe it would either be Dorn or Fulgrim...
Between the whole entire legion being wiped out/religious zealots and the Lords of Excess...