Larian Studios Forums Baldur's Gate III Baldur's Gate III - Help Tips & Tricks The Role of Control Spells?

Control spells are good throughout the game. Later in the game, your casters can have spell DC => ~20. Enemies will need something like Legendary Resistances to effectively resist.

A good case is Trickery Cleric Shadowheart.
As long as you don't resec, Shadowheart is able to effectively "command" some of the toughest enemies in the game.
Examples:
. Act 0 Zhalk (big boss at the start of the game)
. Act 2 Biggest Boss
. Act 3 All (but one) Steel Watchers
At the climax of Shadowheart's quest line, if she is NOT respec'ed, she can effectively disarm/disable the huge army she may have to fight. She can also summon an ally who has an extremely potent (small radius, though) control spell.

I love Shadowheart.