Suggestions

SAO Minecraft (sword art online) (popular until now)

People would have to go to different stages basing from the experience they gained from mobs per level
Each level has different difficulties and mobs will be harder to kill (can be modified like Boss in every server)

Would be fun to play as it's not all about afk grinding but would require you to be active and grind

There will be different roles such as [Support] [Tank] [Carry] [Hitte.. See more

Special Crates

Suggestion: Add special crates, crates that has level common, uncommon, rare and Special
You will have a chance to get one of the crates key from voting, the higher special crate the lower chances of getting a key for it
You can add common and uncommon special crate keys from vote crates too

Common: Donor-VIP kit(s), (n)Vote keys, in-game money, special crate key for the next crate level an.. See more

Offense Limit

Suggestion: Set AutoBan for players exceeding the offense limit

BAN

Suggestion: Add a GUI for ban and tempban, if we do /ban <name> or /tempban <name> without reason
Tempban will auto set the duration based on the hackers/rule breakers previous tempban with the same reason of the tempban issued
You can still use your own reason and set the duration by including the reason and duration when you execute the command /ban or /tempban <name> <duration> <reason>
Do.. See more

Additional title to complete the group

There's Joker and Batman titles, why not add Superman and HarleyQuinn since it's trending?

Titles

A command that will allow a customer change one of their title to any title available at store once every 3 months (not too OP)

ARENA

A separate arena for ranked players in each servers

You can add CTA/KOTH arena for ranked players too, only ranked players can vote to start the ranked cta/koth event (smaller than normal cta/koth vote required)


members will not be able to use the warp or will be sent to spawn if tp'd there

Online reward

$100 (or any amount you want to make it less OP) reward for being online in a specific server they're on
Mini-games servers has diff amount

Voting streak

Add:
Total vote, total vote for 1 month and a voting streak (for voting daily) that will start to 1 if you miss a day of voting
Most of EC's players love to see numbers/stats of them and always race up to reach the top stats holder

You can add a in-game reward for 1 straight voting streak for a week
or maybe a small chance to get 10% discount voucher (or any percentage you want) in any.. See more

Daily and Weekly rewards NPC or enderchest

Daily and Weekly rewards with random rewards you can get from random specific server or lobby cosmetics/gadgets
Will require you to vote for daily rewards
Watch an ad of EC for day2
and any task(s) you want for Day3-7

Will repeat/reset after a week.

Buy GUI for extreme worth to buy the rank

A buy GUI for extreme ranked players which will charge you 10% of the items original price from the actual shop price.
Kinda OP because they won't need to go /shop "but" they'll need to pay 10% of the original price as a fee