光跡／トレイル (Trail FX)
入手：
X-WeaponTrail | Unity Asset Store [Official]
Ara Trails | Unity Asset Store [Official]
Trails FX | Unity Asset Store [Official]
X-WeaponTrail
動画：
入手：
X-WeaponTrail | Unity Asset Store [Official]
フォーラム：
X-WeaponTrail – The Best Weapon Trail Solution for Unity | Unity Forum
Ara Trails
動画：
Ara Trails – Advanced Trail Rendering for Unity
入手：
Ara Trails | Unity Asset Store [Official]
フォーラム：
Ara – the Ultimate Trail Renderer | Unity Forum
参考：
Ara Trails – 標準より綺麗になるトレイルアセット – Qiita
Trails FX
Smooth Trails for Objects & Characters
動画：
New Color Ramp Feature / Great for Stylized Slash Effects
入手：
Trails FX | Unity Asset Store [Official]
参考：