

I’m not sure how Immovable Rods work exactly, but presumably with three of them you could place two, stand on them, place the third at some reasonable height, move the first two to a new location and repeat as needed, then once at the appropriate height, “lock” the top rung and use the ladder proper to climb back down, setting the other immovable rungs as needed.
Like a climber tree stand for murder hobos.
Am manager, hate should.
Should presumes an ideal set of conditions with perfect context.
Could is a much better term as it implicitly accepts real world conditions and a lack of total context by couching the affirmation as contingent upon only the discussion (and prior references) at hand.