When the group battles Archangel Invictus , Arkillo tries to protect Walker , whom he considers a friend .
The group retreats , and Saint Walker uses his ring to restore Arkillo 's tongue .
When the group battles Archangel Invictus , Arkillo tries to protect Saint Walker , whom Arkillo considers a friend .
The group retreats , and Saint Walker uses his ring to restore Arkillo 's tongue .