Give Weather Effects in the game actual usage rather than being cosmetic

[Kaliesto]

So for many years of this game has developed many weather effects with fancy names.

Well the thing is that is all it does (except only affecting Fishing & ARR Sightseeing if I remember right).

Thing is I like to see this affect Battle Conditions across the board depending on what the weather is, and its aetheric tilt towards, and also be more in line with how Final Fantasy Tactics operated based on weather conditions.

So for two examples let's take the Garuda Battle (Normal - Extreme)

For Normal Battle the Weather affects nothing

For Extreme Battle the Weather affects movement because of the strong winds, Wind Aether being enhanced for both players and Boss, and penalty stats based on the Aetheric tilt balance affecting weapons and stats that would make the most sense to be affected by very strong winds.

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2nd example: Hell's Lid Dungeon (hypothetical Hard or Extreme Mode)

Benefits:
Earth & Fire Aether Abilities is Enhanced for players

Penalties:
The sweltering heat in pockets of the dungeon can make you quickly drain more of your magic points, and your cooldowns to become slower.