It is the spiritual ascent strongly evident in the Buddhacärita (1986-1989, 21 plates).
Here, the mountain does not have rock appearance but it is expressed on a metaphysical plan.
BUDDHACÄRITA - IL BODHISATTVA VA A SCUOLA. IL MAESTRO CONFUSO
BUDDHACÄRITA - LA VITTORIA SU MÂRA (Central panel of the Triptych)