Essence Juicing is a Legends of Idleon quest: 3 rewards. Click the white Summoning Stone on the pillar and spend your essence.

Essence Juicing | Idleon Toolbox

Click the white Summoning Stone on the pillar and spend your essence.

Essence_Juicing

Hold down instantly gain 6 Hours of Sneaking Progress! Applies to all your ninja twins, so it doesn't matter who uses this.

Hold down instantly gain 4 Hours of Farming Progress!

Hold down instantly gain 4 Hours of Summoning Essence Generation!