My stairs are 1/8th meter tall, and with a height of 7 meters, there are 55 on each side (one less than 56, as the final platform serves as the final stair.
I have been using a technique of hitting Shift + RClick to place the 3d cursor, opening the snap menu with Shift + S, and using the “Snap to cursor” feature to quickly move things where I need them. Try it out!
I had to place the lights within the torches manually since you cannot apply modifiers to lights for some reason. But by rotating them around the origin as my pivot point, I was able to copy them to the other side for convenience.
The weird statue things were made by experimenting with the Bevel tool, accessed with Ctrl + B