The phrase appears to refer to downloadable effect packs for Wondershare Filmora 13 found via Google searches. These effect packs range from official add-ons sold by Wondershare to third‑party packs (some free, some paid). Quality, compatibility, legality, and safety vary widely. Below I evaluate typical sources, installation and compatibility, effect quality, performance impact, pros/cons, and safety/legal considerations so you can decide whether to use a given pack.
Always scan downloaded .WFP files with Windows Defender before dragging them into Filmora.
: Allows you to apply effects to specific objects or people without tedious manual keyframing. Advanced Particle Effects