Chain Lightning

Codex Entry:

 * Updated wording: "Each time Chain Lightning damages a target, the attacker may immediately make another Chain Lightning attack against another target as part of the same attack action. The source of this attack is the just-damaged target, and the new target must be within range 0-1 and LoS of the source, and not already have been damaged by Chain Lightning during this attack action. The new attack rolls 1 fewer attack dice and subtracts 1 more from the effect die roll (cumulative for each subsequent attack)."
 * Any modifiers that apply to one attack do not affect the number of dice rolled during subsequent attacks. Example: The first target of a Chain Lightning has Lightning +2, the second has no traits, and the third has Lightning +1. The first target would be hit for 5+2=7 dice, the second would be hit for (5-1)=4 dice, and the third would be hit for (5-2)+1 = 4 dice.
 * Since range is always counted from the source, the subsequent targets must be within range 0-1 and LoS of the previous target, not within range and LoS of the caster
 * Since an attack cannot be reduced below 1 die, Chain Lightning can keep going as long as it deals damage and has available legal targets.
 * If Chain Lightning destroys a target, it can still continue with the next target.
 * If Chain Lightning is reversed by a Reverse Attack enchantment, the attack is redirected to the last target of Chain Lightning, not to the caster. Even though the source of the attack (for purposes of Reverse Attack) is the last target damaged by Chain Lightning, the attacker is still the original attacker