1) Defeat Orochimaru and right click him. Orochimaru can spawn in swamp biomes. Find and defeat him again for stage 2.
2) You can start with a curse mark if you are part of the Jugo clan.
The Current types in the mod consist of the following;
Sakon/Ukon: Strength 1, Resistance 1
Kidomaru: Speed 2
Tayuya: Speed 1, Resistance 1
Jirobo: Strength 3
Stage 1:One eye has the mark and takes on a black color with a white-yellowish iris.
Effects: Speed boost, damage boost, damage resistance
Stage 2:Varies between types with each having general similarities.
Effects:Speed boost similar but slightly slower than sage mode.(Some variations such as Sasuke's get a jump boost.)