Make the game more challenging and add more character progression

[Lazyloaf-1219]

@Keeper-2646

• T1-T2: All ancestral dropped items and unique items are set at 1 GA.
• T3: All ancestral dropped items and unique items are set at 2 GA, guaranteed.
• T4: All ancestral dropped items are set at 3 GA, guaranteed, while unique items range from 3 to 4 GA, guaranteed.

No thanks. This isnt an MMO its an arpg (but currently candy crush)