Quote Originally Posted by Omegakiyohime View Post
Well, Suiton gives the effect, Suiton. Now this is just some connecting the dots, but if you watch the Anniversary ninja gameplay video, you will see that after using Suiton (Giant Waterspout jutsu), 2 darkened skills become useable. We will get confirmation on patch day, but it seems like Suiton lets you use hidden skills in battle.
Assuming this is correct, Trick attack will most likely be used more often to enable easier burn phases.