(Art removed by request of the artist)
Part of the Health Gain matters Archetype, Umber Knight would be a key member of that. With an continuous health gain engine, Umber Knight can get very big very quickly.
Life Breather is a good pairing with this as well as Ziro Read if you can manage it (would require a Hero that has both Penance and Unity attributes) as they can gain Health continuously.
If you enjoy Horizon or our work, think about supporting us on Patreon by clicking the icon in the side bar or by going to https://patreon.com/horizoncardgame.