The probability that the Demonologist will appear with the’Orb of darkness is of 25 %. When merging, a Demonologist with a Orb of Darkness summons an Archdemon that, when it dies, stuns 5 enemy units during 5 s in fashion PvP and increases damage by 30 % in co-op or solo mode. The Archdemon's HP is equivalent to 600 % the health of ordinary monsters.

A demonologist has 25 % chances of appearing with a Orb of darkness. When merging, a Demonologist with a Orb of darkness invokes 2 times more monsters.

Monsters summoned by a Demonologist confer the following benefits 10 % of extra mana.

When a Demonologist appears with a Orb of darkness, he has 30 % chance of conferring another Orb of darkness to another random demonologist.

Demonologist monsters summoned on the opponent's side grant 100 mana to their owner. The amount of mana increases according to the Demonologist's fusion rank.

A Demonologist with a Orb of darkness also invokes Imps. The Imps have 66.6 % of a common monster and do not grant mana. The number of Imps is equal to 2 and increases according to the unit's fusion rank. Does not work in co-op or solo mode.

When attacking, a Demonologist equipped with a Orb of darkness To 6.66 % chance of sending a random common monster into the abyss, which summons a Diablotin in PvP and confers 6 mana in co-op or solo mode.