Lightning Grenade Lightning Grenade Arc Grenade A grenade that sticks to any surface and emits bolts of lightning. Synonyms: Lightning GrenadesRelated Articles: Best Hunter Subclass in Destiny 2 this Season (S23)Best Titan Subclass in Destiny 2 this Season (S23)Destiny 2 Best Class (and Subclass) to Dominate this SeasonGlossary: Touch of ThunderGlossary: Spark of Magnitude