Killua is summoned by his father , Silva .
Killua 's grandfather , Zeno , arrives in the dungeon and tells Killua he can go , despite Milluka insisting Killua is n't genuinely sorry yet .
Killua is summoned by grandfather 's father , Silva .
Killua 's grandfather , Zeno , arrives in the dungeon and tells Killua he can go , despite Milluka insisting Killua is n't genuinely sorry yet .