overworld border 12K/20K (spacious enough to build but also small enough to favor players interactions)
nether border 1500/2500 (8 to 1 blocks of previous borders)
multiple end's dimensions (for have enough elytra for all)
timed structures&dungeons regeneration (for permit all player loot dungeon's only items)
3951106291677499945 SEED 1.12 (a seed with all biomes and lots of structures)


silk touch spawner drop
beacon work only for owner player and his friends
golems Treat not owner/owner-friends as hostile mobs
elytra's more durable rocket boost and Sneaking while flying would lock your current direction of travel, while still allowing you to look around freely.


expensive/time-restricted playet-to-player and homes teleporting
no coordinates informations 		(for incentive exploration and orientation items and skills)
max two sethome 					(one for main base, other one for exploration shelter)
population density 					(for random new player spawning not too far/near other new players)
inventory loss percentage 			(let player decide own Items-Loss-on-death percentage)
									(example [2 slot;10%] [3 slot;15%] [4 slot; 30%] [9 slot; 50%] [12 slot; 80%] [rest of items; 100%])
									(that incentive fight without too much fear of loose top tier items)
Corpses on death with inventory

TNT and end-crystal limits
production and Placement cap (for avoid TNT spam but leaving the possibility of using TNTs occasionally to break into the bases)
-[optional] using it increment player bounty



InteractiveBooks (book could be used instead of commands, more vanilla approach)

-plugin citizen 2,sentinel
-guards
(for protect players buildings and items from occasional griefer/thieves
giving the possibility to the most prepared and equipped to assault
the houses of others by killing or circumventing the guards)
	-sign-based patrol route assignment
	-book-based guards configuration
	-guards-chest (for give to guards player-made better gear)
		-offline (free server-given guards that patrol offline-player's buildings [very strong])
			-server guards give mining fatigue effect, level depends on
				-nearness
				-if your are under them [more strong],upper them[less strong]
				-the guard y position ( sea level [max strong] more up/down, progressively lower )
			-server guards affect block placement success attemps by
				-nearness
		-paid (for online guard that don't respawn on death,by hearts Quantity cost + 1/4 already-owned guards' price)

[optional] [hard-to-do]
-mercenary
	-wandering npcs that offer their sword in exchange for resources [time-based consuming]
	-book-based orders
-catched&enslaved mobs
	-enchanted eggs can capture a white-list's mobs
	-command-book/other-mechanics could bind and enslave to a player a mobs
	-enslaved mobs don't attack and give bad effects on owner and his friends
	-mob example: elders for provide, in their line of sight, mining fatigue and act as a laser turret
-trader
	-wandering npcs that sell players items
	-need a chest with items-to-sell and sell-info-books
	where trader can store your earnings and take items-to-sell
	-they have server-grade guard escort
	-[optional] killing it increment player bounty and drop a percentage of carried items

keys and picklocking mechanics
-players can lock their chest and doors
-sneaky thiefs who infiltrate into a house/base could picklock thats with some-time-long attempts,
-every attempt raise the percentage of trigger alarm that make some guard chase you for a while
-guards report to owner who thief to him if alarm is triggered

-Bounty Hunting&footsteps
-player can set bounties
-chased player leave footprints where he move
-the chance to leave footprints is proportional to own bounty
-they appear after a while (example 5 minuts), and disappear after some-long-time (example 2 hours)
-if a player with bounty is killed by another player, drop always his head
-bounty's head could be sold to a trader
-chased player can pay for his bounty
-chased player with invisibility don't leave footprints
-chased player with disguise don't leave footprints

-disguise
-players have a small chance to drop their head
-players who dress another player's head disguise himself in him and don't leave footprints
-he can pass unnoticed by head's player owned mobs and online guards (but not the offline ones)
-head have a small durability that consumes over time when weared