>>531379175
also this
https://docs.google.com/document/d/1Q3IJKbtkplmuY-PAJMNjYiLtasv0eU0aIBEqp8_C3tg/preview?tab=t.0

Every race your parents/grandparents share boost the affinity. Using the exact same deck boosts Affinity. High Affinity boosts the inheritance/inspiration.
Getting a basic bitch 9* with like 2 white sparks is just the beginning. Do Triple Crown on everyone and you can to go beyond 9* and gather a dozen white sparks for stupid high stat gains.