Evoker Boss
Evoker Boss for Minecraft by ThundrGamr
Evoker Boss
by 
ThundrGamr
I am using this for a map. It has a total of 650 health but you have to summon it with a command.
Link to share:
Skin stealer
Crafting- Custom crafting
Flat world
Enchant calculator
Armor color
Firework crafting
Banners crafting- Banners gallery
Shield crafting- Shield gallery
Custom world
Mobs Generator
Loot tables
Custom potions
Beacon color- Coordinate Calculator
- Target Selector
- Text generators
- Color codes
- JSON Text Component
- Styled Text
- Title generator
- Sign generator
Book editor- /tellraw editor
- Custom server MOTD