Final answer:
Elijah's first major proclamation was a prediction of a long drought in Israel to call the people back to the worship of Yahweh. Through this act, Elijah emphasized the exclusive worship of Yahweh and the turning away from false idols.
Step-by-step explanation:
The question references the Prophetic Movement and seems to focus on a figure reminiscent of the Hebrew prophet Elijah, known for his proclamations and actions during a time of crisis in Israel. In biblical accounts, Elijah's first major proclamation was during the reign of King Ahab of Israel, when he declared there would be a long drought in the land as a consequence for the worship of Baal (1 Kings 17:1). This statement by Elijah was not just a forecast of natural events but carried a deeply religious implication, calling the Israelites to repent and return to the worship of Yahweh alone.
The references provided allude to different religious texts and prophetic figures, emphasizing the role of prophets as messengers of God during turbulent times. For instance, the mention of Elijah, Elisha, Moses, and Thecla all point to a shared thematic element where these individuals have stood as beacons of divine intervention and guidance amidst darkness and struggle.