The biggest recommendation when it comes to healing in New World is to set up your Target Group Member healing keybinds. Removing the Cycle Target Up / Down keybind might be daunting, but once you’ve built the muscle-memory to select group members quickly, you will find you’re able to react to damage and heal teammates much faster.
Note: Make sure to only bind keys for members 2 to 5, and completely remove the binding for member 1. Target Group Member 1 is you, and there is already a keybind for this (default CTRL, re-bindable under Target Self) which makes it much harder to fumble and self-heal by accident.
As a follow on to rebinding your healing, a great idea (if you want to) is to invest in a new peripheral for your PC - specifically, an MMO mouse. A gaming mouse with at least 4 thumb buttons on the side of it allows you to bind your Target Group Member options to these side buttons for the quickest possible reactions.
If you need to quickly heal yourself, hold down CTRL before casting the ability, this will place the heal on yourself. This only works with the targetable abilities - Divine Embrace, Light's Embrace, and Sacred Ground.
If a healing target is out of your line-of-sight but you need to heal them, you can instead start casting a heal on a party member who’s in sight, then press your keybind to select the group member who is out of sight, and the heal will end up casting on them. This is easier to do with Divine Embrace / Light's Embrace due to their cast time, but can be done with Sacred Ground if you’re very quick.
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