Raiden, Astrid and the twins.

Raided flew out of one of the hole made by the others as they where making their escape and headed to the arena once he heard Regina's challenge there was lot of people already there including Astrid Kuro and even Rogue he was not surprised to see Rogue as he knew she was still alive as he knew of her ability's and saw her tune into wind at the last second but he did not expect to see her hear so soon he walk over to her and used his DNA manipulation to give her enhanced regeneration it would only take a few minuets for her to be back to full strength Astrid watched as more and more people showed up then she smiled as Raiden showed up and healed Rogue in a few minuets knowing they would need all the help they could get soon after Raiden the twins showed up with a huge smile on their face it seamed they did not understand the danger they faced they didn't even notice Rogue lying on the floor the four of them then got ready for the fight of their lives 

Dagger, Sabrina and Ryuji 

Dagger had finally made back to berk with his armada when he heard Regina's challenge he told his man to wait in one of the caves on berk and to hide the ships while he want an won the crystal when he made it to the arena he saw a large number of people and more just kept showing up he knew this would not be easy Sabrina and Ryuji where on their way to berk as they had been informed by Theresa that a number of their targets would assemble their for a fight that could change the world one they heard Regina's challenge they made their way to the arena and they all got ready to fight