Union Combos is a Battle Mechanic inspired by Xenoblade Chronicles 2, Torna ~ The Golden Country (Driver Combos), and Xenoblade Chronicles 3 (Art Combos) brought to life in the world of Dungeons & Dragons 5th Edition (2014 & 2024). They consist of Weapon Arts performed in a particular sequence. A Union Combo begins when an Art inflicts 
Break on the enemy, after which it can be 
Toppled, then 
Launched and finally either 
Bursted or 
Smashed by using Arts or Spells with those effects before the enemy recovers.
| Stages | Description | |
|---|---|---|
| Stage 1: Break | | Effect time: Till the end of the Target’s next turn. |
| Stage 2: Topple | | Effect time: Up to the duration stated by Art or Spell, unless the creature chooses stand up at the cost of half it’s movement speed on it’s turn and thereby ends the condition. *If the Target has it’s Break condition consumed by an Topple afflicted ability, deal an extra 1d6 Force Damage on-hit upon inflicting Topple. |
| Stage 3: Launch | | Effect time: Till the end of the Target’s next turn. *If the Target has it’s Topple condition consumed by an Launch afflicted ability, deal an extra 2d6 Force Damage on-hit upon inflicting Launch. |
| Stage 4 (A): Smash | | Effect Time: Instant. *If the Target has it’s Launch condition consumed by an Smash afflicted ability, deal an extra 3d6 Force Damage on-hit upon inflicting Smash. |
| Stage 4 (B): Burst | | Effect Time: Instant. *If the Target has it’s Launch or  Stunned condition consumed by an Burst afflicted ability, deal an extra 3d6 Force Damage on-hit upon inflicting Burst. |
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