Check the latest information for Set 4.5: Festival of Beasts
Ninjas gain bonus Attack Damage and Spell Power. This trait is only active when you have exactly 1 or 4 unique Ninjas.
1 Ninja gains +50 AD & SP
4 All Ninjas gain +140 AD & SP
Innate: At the start of combat, Assassins leap to the enemy backline. Assassins gain bonus Critical Strike Damage and Chance, and their spells can critically strike.
2 +25% Critical Strike Damage & +10% Critical Strike Chance
4 +55% Critical Strike Damage & +30% Critical Strike Chance
6 +90% Critical Strike Damage & +50% Critical Strike Chance