the witches were planning to meet up with each other. For what i do not know but it does give clues saying if they should meet up in the rain thunder after the battle so they are trying to stay low. they are trying to figure out when to meet up without getting caught
It would be cooler full but I don’t know if it’s a predictors or prey so if it’s colorful predators and not colerfull prey
The subjunctive mood is the best.
The subjunctive is rarely used in colloquial English. Totally irrelevant information, but... it is a relic from Latin, where there are many uses for a subjunctive. There is even a special conditional using the subjunctive mood that expresses the exact circumstances you described, which is usually called future less vivid.