Danmaku

Summary
The ability to produce a great amount of projectiles at once, in order to overwhelm the target by the sheer number of shots. Some users also add complex patterns to make dodging additionally difficult.

Types

 * Various different kinds of projectiles can be used
 * Linear projectile trajectories or curving shots
 * One directional, multi-directional or omni-directional
 * From one origin point or multiple origin points

Limitations

 * Use for extended periods of time might be exhausting
 * Might be incapable of controlling the trajectory of each individual bullet or be limited to patterns

Users

 * Touhou characters
 * Tasha Godspell
 * Terrarian
 * Undertale characters