assassin

3 Assasin: 300% crit damage
6 Assasin: 400% crit damage

beast

All allies and summoned units have increased damage.
2 Beast: +10% attack damage
4 Beast: +25% attack damage
6 Beast: +45% attack damage

cave

Cave Clan have increased max HP.
2 Cave: + 200 HP
4 Cave: + 400 HP

demon

Active when you control only one kind of demon on the chessboard.
1 Demon: Attacks deal 50% extra pure damage to the target.

dragon

3 Dragon: Dragons have 100 mana when battle starts.

druid

2 Druid: Two 1-star Druids can upgrade to a 2-star Druid.
4 Druid: Two 2-star Druids can upgrade to a 3-star Druid.

dwarf

1 Dwarf: Attack range increased by 2.

egersis

Reduce all enemies’ armor.
2 Egersis: -4 armor
4 Egersis: -6 armor

feathered

Feathered have increased evasion.
3 Feathered: 20% evasion.
6 Feathered: 40% evasion

glacier

+35% attack speed.
2 Troll: Troll Allies Only
4 Troll: All Allies

goblin

+15 Armor and +10 HP regeneration.
3 Goblin: 1 Random Ally
6 Goblin: All Allies

god

Active when all other race synergies are inactive.
1 God: All allies have 50% cooldown reduction.
2 God: All allies have 75% cooldown reduction.

human

Humans have a chance to silence target for 4 seconds when attacking.
2 Human: 20% chance to silence
4 Human: 40% chance to silence
6 Human: 58% chance to silence

hunter

3 Hunter: +35 base attack damage and 35% chance to ignore evasion.
6 Hunter: +80 base attack damage and 64% chance to ignore evasion.

kira

1 Kira: All allies have +5% max HP.

knight

Knights have a chance to gain a shield that grants 75% magic resistance and 30 armor for 3 seconds.
2 Knight: 25% chance to gain shield
4 Knight: 30% chance to gain an additional shield
6 Knight: 30% chance to gain an additional shield

mage

3 Mage: -40% magic resistance
6 Mage: -103% magic resistance

marine

All allies have increased magic resistance.
2 Marine: +30% magic resistance
4 Marine: +51% magic resistance

mech

2 Mech: +15 HP regeneration
4 Mech: +40 HP regeneration

shaman

2 Shaman: Hex a random enemy for 6 seconds when the battle starts.

spirit

30% chance to turn the attacker into stone for 4 seconds.
2 Spirit: Spirit Allies Only
4 Spirit: All Allies

warlock

All allies have lifesteal to attack and spells.
2 Warlock: +10% lifesteal
4 Warlock: +20% lifesteal
6 Warlock: +30% lifesteal

warrior

3 Warrior: + 6 armor
6 Warrior: + 7 armor
9 Warrior: + 8 armor

witcher

1 Witcher: Negate enemy demon power.
2 Witcher: Demons retain their Fel Power.