When the main character reaches lv.20, summon beast system will be unlocked.
Forms of summon beast
Beast has 9 forms: from One-Tailed Shukaku to Nine-Tails Kurama
Beast Attribute Bonus
Every type of beast has 10 levels. You can upgrade from One-Tailed Shukaku to reach level 10, then unlock the Two-Tailed, etc.
You can use silver or gold to boost.
Using different currency may get different cri. rate.
Critical is divided into L Critical and S Critical. L Critical enables you to level up directly； S Critical can double original EXP.
When the main character reaches lv.72, refine beast will be unlocked.
You can only use gold to refine a beast.