What is Elemental Synergy? gumi Support Team - June 19, 2019 07:39 Elemental Synergy is a bonus effect that activates along with DBB. This effect varies depending on the combination of the DBB Pairings' elements. For more information, please refer to the individual unit information found in the DBB UNIT DETAIL. Have more questions? Submit a request Comments Related articles [Unit Detail] Which units are DBB-eligible? How do I create a DBB-unlocked unit? How many Synergy Shards does it take to activate Dual Brave Burst? What is Bonded Brave Burst(BBB) and Bonded Super Brave Burst (BSBB)? Do the DBB & UBB effects stack?