Eren could control his summoner class better after he had digested Rey's experiences. The way with which he had digested them allowed him to use them as if he had been using them for a long time like his own spells.
He was able to switch between his summoner class and his close combat class without much hassle. This was due to the training he received from Alephee regarding the control of his mana circuits.
He was sure that the more he got through with his training with Alephee, the more he would be able to tap into both classes with equal ease.
While Krista was suffering through her ordeal, Lambert and Rupen were getting attacked by a bunch of woodland creatures that had appeared all around them. Unlike Krista who was destroying the Earth Spikes in her path, the male rankers of the Blood Punisher Force were trying to find their way around them.
