Beelzebub (b-) wants to find new ways to lure people into playing pool billiard. To this end he is meditating on top of an eight-ball (八) in front of the Ashram (a1). He uses a finger (㇏) and a banana (丿) as incense to create the right atmosphere.
lit. the Eight Immortals cross the sea, each showing his own special talent (idiom) / fig. (of each individual in a group) to give full play to one's unique capabilities