So far I’ve seen all the Order heroes in Act 1 of the Story (Zhaitan Act) but not the dwarf hero who is in the Priory path of the storyline and I’m with the Priory yet still did not encounter him in Act 1. I’m guess he will be in Act 2 but if you don’t know who he is the Dwarf is…
Ogden Stonehealer from GW1. Sometime after EotN Ogden took the right and became a stone Dwarf