Unique ways to use the 'Shard of the Ability Tree'

'Ding,

The system finished its analysis regarding the 'Shard of the Ability Tree'.

'Ding,

With the combination of a 'Special Upgrade Stone' and the 'Shard of the Ability Tree', it is possible to upgrade one of the system abilities; however, there is still a chance of failure.

'Ding,

The host can increase the success rate by consuming an 'Advanced Upgrade stone' with the 'Special Upgrade Stone' and the 'Shard of the Ability Tree'.

Soon, Leo received the system notifications where the system informed him of the results of its analysis of the 'Shard of the Ability Tree'.

'Huh? I can consume it together with multiple items at once?'

Leo was surprised because he was not expecting to consume two treasures along with the 'Shard of the Ability Tree'.

'Ding,

The items consumed along with the 'Shard of the Ability Tree' should have the same effect; however, at the same time, they have to be different items.

'Ding,