Sorry guys for the lack of uploads. I've been on a vacation :P.

First of all, there should be a huge castle filled with hostile mobs. This castle is where the kings and queens of all mobs are. There are traps. The mobs are much stronger, too. Each king or queen should be a boss fight. Each boss fight that you beat, you get a special item. Once you get past all the bosses, there is a chest with a few diamonds, emeralds, gold, iron, etc. It is found on a special island in the middle of the ocean, that way, the ocean is far more interesting.


There should be an eskimo structure, with eskimos that trade you things to do with ice. It is found in the snowy biomes.

Crossbows, knives, and spears that you can throw should be added. The crossbow's arrow is more powerful and it goes farther.
Knives do two times the damage when hitting the back of a mob. Spears have a larger range and you can throw them.

Maybe there should be a special weapon that you find scattered with 3 pieces all around the world. They appear in dungeons, villages, temples, and strongholds.

High up in the sky, there should be an island with winged hostile mobs on it. There should be loot chests at the end.

They should add sunken ships at the ocean floor. You can find these in the ocean biome. They have loot chests that pirates would have. 

When you kill the enderdragon, a few minecraft days later, Endermen with gear up to charge and try to kill you.

Minecraft should add a magical system to the game. Each spell costs a diamond to craft. They appear in a book shape. They have a long durability maybe even infinite.

There should be explosive arrows, thunder arrows, and enderpearl arrows.

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