Alright. I'm making two fan Pokemon games. And with them, I'm creating Field Effects. Here is my favorite one:
Ancient Pyramid Field
General Effects
Ghost -Type moves increase in base power by x2
Ground -Type Moves increase in base power by x1.5
Fire -Type moves decrease in base power by 0.5
Water - Type moves decrease in base power by 0.5
Abilities Affected
Tough Claws's boost is increased to x2
Mummy lowers all stats by 1 stage every turn, and you cannot switch out while this is happening
Guts and Berserk are automically activated
Intimidate lowers opponent's Special Defense by 2 stages, but its other effects do not take place
Moves Affected
These Moves increase in power by x2 (A blast from the past!)
Shadow Force
Phantom Force
Fly
Bounce
Dig
Dive
Future Sight
Earthquake
Shadow Ball
Bite
Crunch
Brick Break
These Moves increase in power by x1.5 (The spiritual energy is great!)
Judgement
Dragon Rush
Outrage
Leaf Blade
Moves that will always fail
Sing
Sleep Powder
Hypnosis
Lovely Kiss
Spore
Yawn
Rest
Grass Whistle
Thunder Wave
Scald
Freeze-Dry
Guillotine
Sheer Cold
Moves that have amplified stat changes
Swords Dance
Focus Energy
Howl
Shell Smash
Noble Roar
Dragon Dance
Moves that no longer need recharge turn (May you strike faster!)
Blast Burn
Hydro Cannon
Frenzy Plant
Other changes
Water, Fire and Grass Pledges activate thier secondary effects immediatety after using them
Transitions to other Field Effects
There is no way to transition the field