The chapter is called "花 形"
It's a word Marco uses when Zoro appears in the fight.
花 形 (hanagata) means, in this context (and in the context of traditional theater): the star / main actor.
I'm sorry for the Zorolovers vs. Sanjilovers war, but Oda just called the chapter "the star of the show" on Zoro's return to the fight.
I already feel it.
花 形 also means Ornament, floral motif, flower shape.