What is the most powerful cleric subclass in DnD?

Excuse me, but could you please elaborate on your thoughts regarding the most formidable cleric subclass within the realm of Dungeons & Dragons? I'm genuinely intrigued to know which subclass you consider to be the pinnacle of divine prowess, and I'm eager to hear your rationale behind this choice. Is there a particular aspect of gameplay, such as spellcasting, healing, or melee combat, that sets this subclass apart from the rest? I'm all ears, so please do share your insights.