The first time he summoned Anya was when he hadn't upgraded into Gold Rank Beast Master, and by the time he became Gold Rank Beast Master and used the summon, he summoned Dante, who had better stats compared to Anya.
The same also happened when the system used his 2 summon pools, he summoned Lyra Ashenwave, who had reached Dominator Rank.
Of course, the fact that 2 summon pools were used had helped with summoning Lyra, but the system said the stronger he was, the higher the chance he would summon a stronger summoned character.
"If you didn't want to use it now, why did you do this?" The little creature asked as it appeared at the top right corner inside the carriage and looked at him with interest.
"Ohhh, it's just for an emergency in the future, and in case something unexpected happens, I can immediately use it at that time. Better be safe than sorry, you know." Cain responded as he glanced at the little creature.