Complex sentence: Countless manifestations of Shakyamuni Buddhas in the ten directions are now summoned by the Buddha and Prabhūtaratna invites Shakyamuni to sit beside him in the jeweled stupa.
Split into simpler sentences: Countless manifestations of Shakyamuni Buddha in the ten directions are now summoned by the Buddha. Thereafter Prabhūtaratna invites Shakyamuni to sit beside him in the jeweled stupa.