Magma cubes and drowned with tridents do not have the same amount of damage in all difficulties

Magma cubes was to have:

• Big magma cube (6 attack damage)
• Small magma cube (4 attack damage)
• Tiny magma cube (3 attack damage)

Drowned was to have:

• With trident (8 attack damage)

but in the difficulties the cube magma and drowned with trident has different attack damage instead of in all difficulties being the same amount of damage.