Use the included Acid loops and HiTECH Synth Loops to add sharp, metallic melodies. These are often processed with heavy modulation to create a "ninja-like" speed and precision.

To hear how these samples are meant to be used, you can listen to official demos on or YouTube . Producers in the "Techcore" scene often use these to create fast-paced music for games like Beatmania IIDX or Arcaea .

If you are missing specific elements, lapix has released several volumes focused on different needs:

Are you focusing on a (like Psytrance or Hardcore), or would you like tips on arranging these samples in your DAW? Hey! How Do I Sound Like... Hayako?! : r/edmproduction

It sounds like you're working with a sample pack, a popular series of professional audio assets by the Japanese producer lapix . These packs are primarily designed for high-energy electronic genres like Hi-Tech Psytrance , Techcore , and other rhythm-game-style music. Since you are looking to "create a piece," 1. Essential Elements of the "Hi-Tech Ninja" Style