The easiest way to create a mask is to run /em create <name> in-game. After you have ran the command just open your masks.yml and edit the values within the file for that mask.
Example Mask
dragon:
name: "&4&lDragon Mask"
lore:
- '&c+5% DMG'
- '&cImmune to fire and lava damage'
- '&7The decapitated skull of a slain'
- '&7Timeless Dragon from the Ender Dimension'
- '&6* Timeless Dragon Update'
- ''
- '&7&oAttach this mask to any helmet'
- '&7&oto give it a Visual Override!'
- ''
- '&7To equip, place this mask on a helmet.'
- '&7To remove, right-click helmet while attached.'
skin: "74ecc040785e54663e855ef0486da72154d69bb4b7424b7381ccf95b095a"
applied_lore: "&4&lDragon Mask &c(Immune to lava and fire damage)"
effects:
- 'Damage:5'
- 'Immunity'
