The main function of the Holy Fire in Baldur's Gate 3 is the regular output trick of the priest without the flame arrow. It is still quite good in terms of experience, but it still tests the player's operation when using it.
【 Complete list of spell effects 】
Answer: It’s mainly the priest’s regular output magic without flaming arrows.
This spell is difficult to hit the enemy in the early stage, and the damage in the early stage is relatively high.
One advantage is that it is more enjoyable to fight undead and the like with radiant damage. Players can choose according to their own preferences.
In addition, it is quite good to use it in Todre's crystal, but it is still recommended for players with experience in using it.
If you want to keep using it, you can upgrade it. After the upgrade, the usability will be stronger.