The Regian is a cleric-class hero from the base set.
Regian Cleric (Level 1)[]
The Cleric has a Magical Attack of +1, and as a Dungeon: ability, can destroy a disease to draw a card.
Regian Priest (Level 2)[]
The Priest has a Magical Attack of +2, and the Cleric's Dungeon: ability becomes a repeat ability. Additionally, the Priest can draw 1 card as a Dungeon: ability.
Regian Bishop (Level 3)[]
The Bishop has a Magical Attack of +3, and the Cleric's Dungeon: ability becomes a repeat ability that allows for the drawing of 2 cards. Additionally, the Priest can draw 2 card as a Dungeon: ability.