End
Mobs
Blocks
Nether
Overworld
100

This is the type and level of potion found in an endship. 

What is instant health II

100

This mob used to be milk-able

What is a squid?

100

This is the only block able to be crafted with sculk sensors.

What is a calibrated sculk sensor?
100

This music disc is only able to be found in the nether.

What is Pigstep?

100

A diamond block can spawn in this structure.

What is a woodland mansion?

200

This is used to grow a chorus plant.

What is an chorus flower?

200

Without looting, this mob can drop up to 5 string.

What is a strider?

200

This is the only block able to be found in any dimension.

What is a chest?

200

This is the only way to place water in the nether.

What is a cauldron?

200

This structure is made of a different type of wood depending on the biome its in.

What is a mineshaft? (Oak usually, dark oak in a mesa biome)

300

This is the name of the armour trim that is able to be found in an end city.

What is spire?

300

This mob is needed for the "Feels Like Home" advancement.

What is a strider?

300

The brown banner is found in this structure.

What is a savanna village?

300

This is the name of the armour trim that is able to be found in a nether fortress.

What is rib?

400

In a 1.14 snapshot version of Minecraft, this mob was scared of rabbits.

What is a ravager?

400

Baked potatoes can be found in this structure.

What is an ancient city?