What the modifier does
Warriors gain 2 Attack per Rush trigger this game. Backup.
BackupRush
Warriors gain 2 Attack per Rush trigger this game. Backup.
Warriors gain 2 Attack per Rush trigger this game. Backup.
Base means the hero always has access to that class pool. “Via” means the named Rank B specialization must add the class first.
Search guide notes and complete formations for actual upgrade choices and tradeoffs.