I finally managed to clear it... It is difficult to raise the level of EX characters. Broly at level 2300 has a blue attribute, so the green attribute is valid.
RecommendedGRNAttribute and Z Abi Summary
Although there are few choices, I did my best by boosting Vegeta a little.
EX | Android 17 | Increase the basic STRIKE ATK and basic STRIKE DEF of "Tag: Android" by 20 to 33% during battle |
EX | Trunks: Adolescence | At the time of battle, increase the basic BLAST ATK of "Tag: Mixed Race Saiyan" by 17-22% |
EX | Yamcha | At the time of battle, "attribute:GRN"Basic BLAST ATK up 17% |
EX | Cabbage | 20% increase in the basic STRIKE ATK of "Episode: Super Destruction God Champa Chapter" at the time of battle |
EX | Dodria | Increase the basic STRIKE ATK of "Tag: Frieza Army" by 23 to 30% during battle |
EX | Android 18 | Increases the maximum basic physical strength of "Tag: Female Warrior" by 12% during battle |
EX | Vegeta | Increased the basic BLAST ATK of "Tag: Saiyan" by 17% during battle |
EX | Turles | At the time of battle, "attribute:GRN”Basic hits, BLAST DEF increased by 17% |
Saiyan strengthening
I managed to survive by strengthening Saiyan
EX | Radits | Increases the maximum basic physical strength of "Tag: Saiyan" by 12% during battle |
EX | Son Goku | Increase the basic STRIKE ATK of "Tag: Saiyan" by 17% during battle |
EX | Vegeta | Increased the basic BLAST ATK of "Tag: Saiyan" by 17% during battle |