The girls have to deal with the aftermath of the Ouroboros attack. Their fighting power has been greatly reduced, and they soon find out that things are worse than they had feared when some of the members are corrupted by the darkness...
That's what slows the 
approach of the five worlds.
هذا ما يبطّئ عمليّة اقتراب العوالم الخمسة من بعضها
Dadurch wird die Annäherungsgeschwindigkeit
der fünf Welten gedrosselt.
Eso detiene a los cinco mundos.
Eso detiene los cinco mundos.
Grâce à cela,
È questa energia che rallenta
la collisione dei reami.
Isso é o que diminui a 
colisão dos cinco mundos.