At the final moment of this stage they enter into a meditative state called the "vajralike meditative stabilization", in which the subtlest remaining obstacles to buddhahood are overcome. They arise from this concentration as Buddhas.
As they near the culmination of this phase, practitioners enter a deeply meditative state referred to as "vajra-like equilibrium", where all residual barriers to Buddhahood are eliminated. From this concentrated state, the enlightened ones arise.