Crackling with Kereska's Lightning (Condition)

Crackling with Kereska's Lightning

• Affected entity has Resistance to Lightning damage. Its lightning spells deal additional Lightning damage equal to its Proficiency Bonus.

When it deals spell damage, it gains 1 Lightning Charge. While attuned to Kereska's lightning it can cast  Chain Lightning and  Lightning Bolt.

Sources of Crackling with Kereska's Lightning

•  Bolts of Doom