to come (toward the speaker/writer) / (specifically, of a sensation) to come and stimulate / (と来たら (to kitara)) when it comes to

various

variously, in many ways

a variety, many ways, many kinds

experience (an experience or one's (overall) experience)

to experience

pile up

conjunctive form of 積む (tsumu) [godan]

graduation / outgrowth / (Japanese entertainment) graduation (leaving a group)

to graduate / to outgrow / (Japanese entertainment) to graduate (leave a group)