Обратных условий, когда сначала мы описываем, а потом подгоняем под это правила игры так как считаем нужным — нет.

While the combat actions defined in the Player’s Handbook are numerous and fairly comprehensive, they cannot begin to cover every possible action that a character might want to take. Your job is to make up rules on the spot to handle such things. In general, use the rules for combat actions as guidelines, and apply ability checks, skill checks, and (rarely) saving throws when they are appropriat