Explorative Fantasy Version 2.0

- Silver furnace slightly nerfed in regards to speed.
- Iron furnace slightly buffed in regards to speed.
- Obsidian furnace buffed in consumption rate, nerfed in regards to speed.
- Netherrack furnace buffed in regards to speed. This aligns with the fact that netherrack is later in MC's progession,
and that it also makes sense a hell furnace should be better than obsidian. Consumption rate was changed, though it doesn't matter as the
furnace runs on an infinite fuel source.
- Sea serpent's damage nerfed from 6.0 attack strength to 3.5. Before, they could one tap you at any point in progression and given the
rewards for killing them aren't as good as killing a dragon, this didn't make sense.
- Uncrafting Table's minimum level requirement changed from 20 to 15. Maximum changed from 25 to 20. Even though a fair portion of EF's gameplay can be centered around building an early EXP farm given how many spawners there are, 20 minimum is fairly high and makes this mechanic less accessible. This aims to make it a bit more fair in the grand scheme.
- Better Nether's Netherrack Furnace was disabled as More Furnaces already adds one.