It is a component in a BP, and BP is parented to another Actor in the editor. To clarify, it is a project where player can take control of spaceship, but is also able to walk through interior. To avoid issues with physics, where player, NPCs and other objects are inside moving spaceship, I’ve done it a way where spaceship itself is a static object, and environment is moving/rotationg. Said particle system BP is parented to level root actor. Also, unchecking “local space” automatically move particles to center of the level (0, 0, 0).