I’ll just add that his could probably be done with a single Timeline node with a vector track instead. But the time will be fixed since you cannot dynamically adjust tracks run-time (unless you load an external curve, not sure whether this can be done in BP)
@Przemek2222 looks like your suggestion could/should work, it does look a bit crazy and unsustainable, though. Also, that delay node during Timeline’s tick is not really a good coding practice (even though it should work)