this is what i gathered so far
Ancient Elveria
LoS : Thirain , Shandi
LWC : Armen , Delain Armen , Kharmine , King Thirain
Phantom Palace
LoS : Thirain , Shandi , Azena&Inanna
LWC : Armen , Delain Armen , Kharmine , King Thirain
Ark of Arrogance
LoS : Thirain , Shandi , Azena&Inanna , Balthorr
LWC : Armen , Delain Armen , Kharmine , King Thirain
Gate of Paradise
LoS : Thirain , Shandi , Azena&Inanna , Balthorr , Nineveh
LWC : Armen , Delain Armen , Kharmine , King Thirain
Oreha’s Well
LoS : Thirain , Shandi , Azena&Inanna , Balthorr , Nineveh
LWC : Armen , Delain Armen , Kharmine , King Thirain
Kayangel (Elgacia Abyss, we don’t have this yet)
LoS : Thirain , Shandi , Azena&Inanna , Balthorr , Nineveh , Kadan
LWC : Armen , Delain Armen , Kharmine , King Thirain
Other : Vairgrys (from Elgacia card pack rng drop, it’s a separate drop)
Argos
LoS : Thirain , Shandi , Azena&Inanna , Balthorr , Nineveh
LWC : Armen , Delain Armen , Kharmine , King Thirain
Other : Beatrice , Zinnervale
Legion Raid (up to Brel, i’m not sure if Akkan pool is diff)
Same pool as Argos , each LR can also drop his own card as a separate drop
not sure if i miss anything