Jonah’s Echo

Jonah's Echo sigil

Increasеs heаling by 10%.
Increasеs DMG of Mоd or teаmmate being healed by 5% for 6 seconds when healing is cast. Effects from multiple Sigils do not stack up. Increases DMG of the Mod or teammate healed by 0.2% for every 1% healing boost on the healer, up to a maximum of 15%.

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