Brave Burst Leveling Guide

You need to fuse monsters with the same type of Brave Burst as the unit whose Brave Burst you wish to level. So if you want to level a healing Brave Burst, you need to use monsters with brave bursts that heal in fusion. There's three types, Attack, Heal, and Buff. Just double-check the unit's brave burst before using it in fusion and you're good to go. You won't have an indicator of any kind telling you the unit's BB is close to leveling but just keep at it and you should see the number go up sooner or later.
The three kinds of Brave Bursts are:

1. Damage (Anything that deals damage whether AoE or single target)
   
2. Healing (Anything that recovers HP)
   
3. Support (Boosts all Allies' Def/Crit/Atk/etc)
   

• Kahit hindi same ng elements (dark, light, fire, thunder, water, earth) pwede, kahit hindi din same ng type (Lord, breaker, anima, guardian, oracle) pwede nyo gamitin pang fuse.
  
• When you fuse units with the same type of Brave Burst as your Base unit, there is a CHANCE to earn a Burst Level Up. You can check your Brave Burst type on the unit's status screen
  
• Try nyo mag fuse ng mga monsters na mababa lang ang binibigay na experience para maiwasan na mag level up agad yung base dahil pag mas mataas na sa LVL 18 ang unit mas malaking Zel na ang need for fusing. Kaya mostly na makikita nyo sa mga post eh "poring" (burny, mossy, etc) ang ginagamit pag lvl 1/80 palang yung unit nyo, or you can MAX the level of your unit kaagad para maging 2k nalang yung cost per unit fuse.                                                                                                                                                                                                        
  
• For BBs that have multiple skills for example Lancia and Elimo's BB are Heal + Buff, the first description on their BB is their type, which means Lancia and Elimo's BB type are both in the Heal category, you can't use buff BB units to level up their BBs. Same for those units that have multiple skills, just follow the first skill on their description and thats their type.
  

Most popular BBLv fodder farming spots:                                                                                                             

• Attack: Mistral; Adventure's Prairie; Start of AdventureHere you can net on avergae 2-4 of Burny and Friends (when they're not busy faceroll'ing our servers) for only 3 energy per run. They all have attack type BB's so they work great for any and all attack type BB leveling.                                                                                                                                                               
  
• Healing: St Lamia; Blood Forest; Frail Spirit of the ForestsHere you can net on average 5+ Fairy per run at 8 energy a run. The highest concentration of healing units I've found. From time to time Blood Forest will be hit by a 24hour 1/2 energy event, making it only 4 energy per run, it's preferable to farm your healing BBLv fodder then.                                                                                                                                                                        
  
• Support: St Lamia; Blood Forest; The World Tree/Maiden of the Tree'sOn these two stages you can net large amounts of Polevik, usually 2-5 per run on both stages. Again from time to time Blood Forest will be hit by a 1/2 energy cost event, farming these stages is ideal during that time.
  

 
                                                                                                                                                               
Brave Burst levels will be halved after a unit evolves.                                                                        
Example : Death Magress with 10 BB Level when evolved to 6☆  Unholy Magress will retain half of it's original bb level and become BB level 5. In case of an odd bb level it will be rounded to the lowest even value: BB level 5 will be BB level 2 when evolved. It's still recommended that you focus on maximizing your Brave Burst only if the unit is at maximum evolution.