RPG MAKER MZ HELP
Database

Effekseer
When creating animation effects yourself in RPG Maker MZ, you'll use the effect creation tool "Effekseer".
RPG Maker MZ officially supports ver1.5.
By placing files output in efkefc format to the "effects" folder inside your project, you can select added animations from [Particle Effects] in [Database] → [Animations].
Please see Database [Animation Settings] for information on configuring animations.
What is Effekseer?
Effekseer is a tool that allows you to create a variety of particle effects for games such as explosions and hit effects, as well as easily edit effects.
Effekseer - Effect Creation Tool Official Site
https://effekseer.github.io/en/

Edit Effects with Simple Controls!
You can create a variety of effects using simple controls. You can also fine-tune effects.
Easy Effect Editing with Tools!
Effekseer 1.5 New Feature Demo
Plenty of Samples
Effekseer publishes many samples submitted by its users.
Most samples are offered with a CC-0 license, so you can use them in your games as-is or use them as a base for a new effect.
Effekseer Sample Effects
https://effekseer.github.io/en/contribute.html
Robust Help Documentation
You can easily create effects that you can actually use by following the tutorials.
Effekseer Help Japanese
https://effekseer.github.io/Help_Tool/en/index.html