False Salvation and True Salvation (1)

The reward from Trial-type Gates: 'Trial Fragments.'

Using one normally leveled you up by 50 levels.

And today.

I'd finally collected all nine fragments.

-Ding.

[You have collected all Trial Fragments!]

[You can spend 9 Trial Fragments to acquire a special achievement.]

[Would you like to acquire it?]

"Hmm."

So, when the notification appeared...