Yeah, it's incredibly selfish & once again Killua bears the brunt of it though it's not like he's unwilling to do so. It's an aspect that both makes Killua one of my favorites and Gon & Killua's relationship more interesting. This was, as per usual, an amazing chapter.
Some of my favorites from this batch of specified slot cards . . .
#47, Sleeping Girl (A-11): A girl who sleeps in your stead. You can be active for 24 hours without sleeping while she sleeps for you.
#51, Miniature Dragon (S-10): A dragon small enough to fit in your hand. It will obey your commands and will eventually learn to talk if raised with love.