Complex sentence: Oracle, cracking over the pressure, and wrecked by have seemingly lost Superman's trust in her abilities, starts to train Misfit harshly, in fact blaming herself for having sent her without giving her the necessary knowledge to act in field.
Split into simpler sentences: Oracle, cracking over the pressure, and wrecked by having seemingly lost Superman's trust in her abilities, starts to train Misfit harshly. Blaming herself for having sent her without giving her the necessary knowledge to act in field.