Conviction of Power

+1 to Maximum Power Charges and Maximum Endurance Charges
+4 to Minimum Endurance Charges
+4 to Minimum Power Charges [1]

Conviction of Power is a notable Ascendancy passive skill for the Hierophant. It grants +1 to Maximum Power and maximum Endurance Charges, +4 to Minimum Endurance Charges and +4 to Minimum Power Charges.

Ruthless mode

+3 to Minimum Endurance Charges
+3 to Minimum Power Charges

Conviction of Power in Ruthless mode does not grant additional maximum charges and grants only 3 minimum charges instead.

Version	Changes
3.22.0	[Ruthless-specific This patch note only applies to Ruthless mode and does not affect the main game mode.] No longer provides "+1 to Maximum Power Charges and Maximum Endurance Charges" in Ruthless. It now provides "+3 to Minimum Endurance Charges" and "+3 to Minimum Power Charges" (both +4 in non-Ruthless).
3.13.0	No longer grants 25% chance to gain an Endurance Charge when you gain a Power Charge, 15% chance to gain a Power Charge if you or your Totems kill an Enemy, 5% reduced Elemental Damage taken while you have an Endurance Charge, 50% chance to gain a Power Charge when you Summon a Totem, or causes your Damage to Penetrate 5% Elemental Resistances while you have a Power Charge. Now grants +1 to Maximum Power and maximum Endurance Charges, +4 to Minimum Endurance Charges and +4 to Minimum Power Charges.
3.2.0	Added 50% chance to gain a Power Charge when you place a Totem, 5% reduced Elemental Damage taken while you have an Endurance Charge, and Damage Penetrates 5% Elemental Resistances while you have a Power Charge.
2.3.0	Chance to gain a Power Charge on kill increased from 10% to 15%.
2.2.2	The Hierophant skill Conviction of Power has been corrected to grant a power charge when you or your totem kills an enemy.
2.2.0	Added to the game.