Sonic Thrust is a technique that appears in Kingdom Hearts Union χ.
In Kingdom Hearts Union χ, Sonic Thrust is a special attack that targets all enemies. It costs 3 special attack gauges to perform. For 2 turns, it raises the Player's normal strength by 2 tiers, and normal defense, along with Power-, Speed-, and Magic-based strength, and Power-, Speed-, and Magic-based defense by 1 tier. It rids the targets' status effects, and inflicts more damage the smaller the slot number.
Learning Sonic Thurst
Kingdom Hearts Union χ