Splatoon
About the plugin:
Splatoon will allow you to see mechanics that are hidden in Extreme, Savage or Ultimates.
It can also solve mechanics for you with telling you visually where to stand or to go in fights.
Installation:
- Add repo https://love.puni.sh/ment.json in dalamud
- Install Splatoon Plugins
- Open the plugin settings with /splatoon in chat
How to use:
Splatoon everchanging Plugin. That means for every Fight you need to manually download the Scipts and Layouts.
To import go on this link: https://github.com/PunishXIV/Splatoon/tree/main/Presets
And select the fight you want, for example M5S: https://github.com/PunishXIV/Splatoon/blob/main/Presets/Dawntrail/Raids/The%20Arcadion%205%20Savage.md
You will see the mechanics of the boss with a code line under each mechanics, if you see [Script] in front of the mechanics name, it means it can require some configuration (select your role or side to solve a mechanic).
In game, start by typing /splatoon to open the settings, go to the mass import tabs.
Check the box Enable rapid import.
Once this is checked, you can copy every mechanics you want on the github page and it will import the preset into splatoon.
Repeat the process for each mechanics you want and uncheck enable rapid import after copying every Mechanic.
You can check your imports in the Layout tab. Layouts don’t need configurations to work.
In the Script tab you can see the other few mechanics that require configuration:
If you click on the gear 
You will be able to configure it, for example for MT or M1 on M5S:
You will select the tiles corresponding to your Position for the Mechanic.
This is how splatoon work, if any question feel free to ask
Source: https://github.com/PunishXIV/Splatoon