There is another classification of the talents depending on the activation of the talents.
In this category, there are only two types:
1) Active talents: The user has to activate the talent to use it when required by them.
2) Passive talents: The user doesn't have to think or be conscious, but the talents will be automatically triggered.
So, when Leo saw that the [Battle-axe mastery] was a passive talent, he was simultaneously shocked and excited.
'Ding,
Talent name: Battle-axe mastery (Level 4).
Talent Type: Passive.
Effects: 1) When the user holds a battle-axe, his strength and defence increase by 100 percent.
2) The damage dealt by the battle-axe will be increased by 100 percent.
For Leo, it only took 13000 [Promote points] to upgrade his new talent to level 4, and he was surprised with such a huge increase in the effects of the talent.