One consequence could be that it may cause unexpected side effects on the patient. For example, instead of healing a wound, it might accelerate the spread of an infection if used wrongly.
One example could be using the wrong incantation. If the incantation for a healing spell is mispronounced, it might not work as intended or could even have negative effects.
Perhaps using the wrong incantations or gestures. In the novel, the proper form of using healing magic might be very specific. If the user gets these wrong, it could lead to ineffective healing or even harmful consequences. For example, a wrong gesture might redirect the magic to the wrong part of the body, or an incorrect incantation could change the nature of the magic from healing to something else entirely.
There might be a mentor figure in the novel. This person could be someone who is supposed to guide the main character in using the healing magic correctly but for some reason, the main character doesn't listen and continues to use it the wrong way.
Perhaps misidentifying the types of injuries that the healing magic can effectively treat. In the novel, it might be shown that some characters use it on fatal wounds that are beyond its capacity, thinking it can cure everything.
It creates conflict. When the characters use healing magic the wrong way, it often leads to new problems that need to be resolved. This drives the story forward as other characters have to step in to fix the mess.
In 'the wrong way to use healing magic light novel', the main character is likely someone who discovers the healing magic but doesn't fully understand it and thus uses it wrongly. There could be antagonists as well. These antagonists might be those who are against the wrong use of magic for various reasons, perhaps they are the protectors of the correct magic usage. There may also be characters like family members of the main character who are affected by the wrong use of magic and play important roles in the story.
The 'the wrong way to use healing magic light novel' might explore the moral and ethical implications of misusing healing magic. For example, using it for selfish reasons or without proper understanding. It could also detail the different types of wrong uses, like using too much power at once or using it on the wrong subjects. The story may then revolve around how the characters navigate these issues and either correct their ways or face the consequences of their actions.
One possible consequence could be that the healer accidentally harms the patient instead of curing them. For example, if the magic is misdirected, it might cause internal damage or make the illness worse.
One wrong way could be using it without proper training. In the light novel, it might be shown that if a character tries to use healing magic without learning the correct incantations or focusing their mana properly, it could lead to ineffective healing or even backfire and cause harm. For example, the character might end up draining their own energy instead of transferring it for healing.