Each Adventure/Arena battle will cost you 1 Energy. You need Energy to earn EXP in Adventure mode and to earn SLP in the Arena. This means that once your Energy has run out, then Adventures are the only way to farm SLP .
Each Adventure/Arena battle will cost you 1 Energy. You need Energy to earn EXP in Adventure mode and to earn SLP in the Arena. This means that once your Energy has run out, then Adventures are the only way to farm SLP .