Psychic Surge (Ability ID: 227)

In-Game Description

"Casts Psychic Terrain on entry. Lasts 8 turns."

Extended In-Game Description (280-300 chars)

Creates Psychic Terrain for 8 turns (12 with Terrain Extender) on entry. Grounded Pokemon are immune to priority moves from opponents. Psychic moves gain 30% power boost. Expanding Force hits all foes with increased power. Nature Power becomes Psychic. Overrides terrains.

Character count: 296

Detailed Mechanical Explanation

Psychic Surge automatically establishes Psychic Terrain upon entering battle, providing priority protection and Psychic-type enhancement.

Trigger Conditions

• Activates immediately on battle entry
• Uses onEntry hook with TryChangeBattleTerrain
• Overwrites any existing terrain effect

Terrain Duration

• Base Duration: 8 turns (not 5 like Gen 7)
• Extended Duration: 12 turns with Terrain Extender
• Timer decreases at turn end
• Can be permanent in special battles

Psychic Terrain Effects

1. Priority Move Protection:

   • Grounded Pokémon immune to opponent's priority moves
   • Blocks: Quick Attack, Fake Out, Extreme Speed, etc.
   • Does NOT block ally's priority moves
   • Prankster status moves also blocked
   • Self-targeting priority moves still work

2. Psychic-type Power Boost:

   • Psychic moves from grounded users: 1.3x power (30% boost)
   • Standard terrain boost multiplier
   • Only affects grounded attackers

3. Move Interactions:

   • Expanding Force: Power 80→120, hits both opponents
   • Nature Power: Becomes Psychic
   • Secret Power: Lowers Speed by 1 stage
   • Camouflage: User becomes Psychic-type
   • Terrain Pulse: Psychic-type, double power

4. Ability Synergies:

   • Telepathy: Enhanced in Psychic Terrain
   • Psychic Surge users count as grounded
   • Quark Drive: Activates stat boosts

Priority Blocking Details

Blocked moves must be:

• Priority > 0 (positive priority)
• Targeting a grounded opponent
• Used by an opponent (not ally)

Common blocked moves:

• Quick Attack, Mach Punch, Aqua Jet
• Fake Out, Extreme Speed, Sucker Punch
• Prankster-boosted status moves
• Gale Wings Flying moves

Grounded vs Airborne

Protected by terrain:

• Non-Flying/Levitating Pokémon
• Not using Magnet Rise
• No Air Balloon

Not protected:

• Flying-types (unless Roosting)
• Levitate ability
• Magnet Rise/Telekinesis users

Special Interactions

• vs Other Terrains: Removes when activated
• Trick Room: Works independently
• Expanding Force: Major synergy move
• Max Mindstorm: Sets terrain + damage

Implementation Details

• Flag: STATUS_FIELD_PSYCHIC_TERRAIN
• Priority block: CANCELLER_PSYCHIC_TERRAIN
• Script: BattleScript_PsychicSurgeActivates
• Boost uses standard 1.3x multiplier