Here's an example build and how to play guide for Satsu Kei in the Ninja Online Battle Royale IO android mobile game - Shinobi.IO. NOTE: Before anything else, please refer to our Shinobi.IO: Beginner's FAQ, Tips, and Guide for quick match up and battle tips, because I will no longer explain the basics here, thanks. How To Get Satsu Kei    - Easy to get early game from Gold Chests and Daily