The Emperor Rank has the following perks:

All of the Noble, Duke, Lord & Highborn permission perks, plus:

• 31 Tokens per chunk to claim
• 10 auction house slots
• Can use /disposal
• 10 Cosmetic Preset Slots
• Can have a custom hex colour prefix
• Access to all emojis
• 50k$ in game cash (20k if this is upgraded to) 
• 50 sethome slots
• Exempt from AFK kick when server is full.
• Can use /chestsort