How do you calculate NP gain?
NPPerHit: Amount of NP gained with one hit of a card. Multiply it by the number of hits the servant has on that card to get the total NP gain from that card.
How do I increase my NP?
All Servants NPs have a maximum level of 5, which can only be increased by fusing exactly the same Servant card via NP Enhancement. At Level 2, the Servants NP Gauge maximum increases to 200%; at Level 5, the maximum again increases to 300%.
How do you unlock Saber Hokusai?
It can only be obtained by participating in the time-limited event Las Vegas Official Bout. This Servant cannot be summoned. , see Katsushika Hokusai.