Eternal Chariot

Eternal Chariot sigil

Increasеs Thunder DMG by 5%.
Increasеs the Skill DMG of Thunder Mоds for 2s when their Combаt Resources fall to 0: Skill DMG goes up by 0.4% for every 1% of the Max Combat Resources expended in the final expenditure. Up to 40% in total.

Source: Battle Sweep Loot, Sigil Shop, Limited Specials Shop