'Huh?'
Looking at the list of system abilities before him, Leo raised his brows and asked the system, 'Where is the [Talent Swallowing Ability]?'
Even though Leo had long decided to upgrade [Seal Swallowing Abiltity], he could not help but think why his first system ability was not on the list.
'Ding,
The host's [Talent Swallowing Ability] is the primary ability and could not be upgraded by external means.
'So, I can only upgrade the secondary abilities through external means and if I want to upgrade the primary ability, I have to upgrade the system.'
Leo already knew about the primary and second abilities among the system abilities and nodded his head in understanding.
[Seal Swallowing Ability].
Soon, he picked an ability from the list to upgrade while thinking, 'Even though the other three system abilities are useful, for now, I need this [Slave Swallowing Ability].'
'Ding,
The host's [Seal Swallowing Ability] has been upgraded to level 5.
'Ding,
