syntax: N/A Sometimes may become that target of your mana transfer is really exhausted. His mind cannot receive your mana. And it lost without effect. However you regenerate quickly, it is not good to waste mana. So you are able to concentrate all your skill and prepare his exhausted mind to receiving your energy. Some mana will lost , but it is better transfer something then nothing.

See also: in-mud help for mana, in-mud help for transfer", mana transfer