====== Stat increases/decreases ======

  * The effects last until the end of the battle.
  * It returns to normal after the battle ends.
  * The effect increases/decreases more with every repeated occurrence.
  * Increases are limited to 2x the character's stat (e.g. if their defense is 100, it can only be raised to a maximum of 200).
  * Decreases are limited to 30% of the character's stat (e.g. if their defense is 100, it can only be reduced to a minimum of 30).

===== Decrease accuracy =====

  * Example: Merchant's skill ''@Sandstorm''

===== Restore accuracy =====

  * Example: MartialArtist's ''@FocusPocus''

===== Increase attack =====

  * Example: Sage's magic ''@Oomph''

===== Increase defense =====

  * Example: Priest's magic ''@Buff''

===== Decrease defense =====

  * Example: Wizard's magic ''@Sap''

===== Increase agility =====

  * Example: Thief's magic ''@Accelerate''

===== Restore accuracy, attack, defense, and agility to original values =====

  * Example: Archfiend's skill ''@DisruptiveWave''