Which frescoes show Giovanni Battista Tiepolo's early maturity as an artist?

Giovanni Battista Tiepolo’s artistic development is marked by several key fresco cycles that demonstrate his transition from early technical proficiency to full maturity.

While his initial mastery of technique and formal invention was evident in his first frescoes—the Glory of St. Theresa in the church of the Scalzi and The Force of Eloquence at the Palazzo Sandi-Porto—it was not until he reached approximately age 30 that he achieved his full maturity of expression.1

This milestone was reached with the frescoes of the Palazzo Arcivescovile of Udine, executed sometime after 1726. In this work, Tiepolo abandoned the heavy chiaroscuro characteristic of his early period in favor of a significantly brighter color palette, while maintaining his structural integrity. These frescoes include the Fall of the Rebelling Angels on the ceiling above the main staircase and various biblical episodes in the gallery, which were created in collaboration with Mengozzi Colonna.1