A CE similar to the ones which grant NP at the beginning of the battle, this one is more suited for a long term battle, because it helps build NP throughout the whole battle. However, since it doesn't provide any other benefits and there will be some turns where the servant's NP gauge is already full.
Increase NP Gauge by 8% each turn
Increase NP Gauge by 10% each turn
How to use
This CE is viable on most servants, as the NP gain per turn will be useful no matter which servant it is on. However it is most effective on servants that have difficulty gaining their NP themselves (due to their deck) or in situations where the boost is needed in a long term battle.