Why don't I see a DBB gauge in my game? gumi Support Team - June 18, 2019 11:10 Only players who have a DBB-bonded unit in the active SQUAD will see the DBB/Synergy gauge. Have more questions? Submit a request Comments Related articles Can I have 2 separately DBB-bonded units on one squad? What are the ways to charge up the Synergy gauge? Where can I use DBB? How do I bond units? How do I activate BBB/BSBB?