not really recommended to do, wiz and sorc HoTs are so small and not enough to rely on in actual combat. noc core just heals you up way better than those small heals. bard sub meanwhile is okay for "pinch healing" in case youre really low and need to top up asap.
it couldve worked way back when AK started due to people not having high amounts of hp due to no stars on armors and no forts on acce, but then again noc core wasnt nerfed that time and is way better. nowadays with all the easy access to LP for forts and DP to get LW you could gear up in a decent amount of time and get 150k or more hp and noc will heal you up faster than rejuprayer/mantra can. you mostly use it for the buffs/cleanse it provides, the extra heals is just a plus.