The Duke rank will give you various useful perks on the server.

Rank Perks:
• Prefix: DUKE
• Access to set unlimited homes
• Kit Duke (claimable every week)

Rank Commands:
• /Nick
• /Back
• /Recipe
• /Feed
• /Disposal
• /Near
• /Craft
• /Enderchest
• /Ptime
• /Heal
• /Fly