Sapphire Rhombol is a Legends of Idleon lab jewel: recipe. Even if this jewel is off, all players within a 150px radius of this jewel, shown by the circle, have +25% Line Width. Also gives +25% Breeding EXP, but only when active.

Sapphire Rhombol | Idleon Toolbox

Even_if_this_jewel_is_off,_all_players_within_a_150px_radius_of_this_jewel,_shown_by_the_circle,_have_+25%_Line_Width._Also_gives_+25%_Breeding_EXP,_but_only_when_active.

Sapphire_Rhombol

Conker would have called this something else. NOTE: This is a very rare drop from Poops

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Sapphire Rhombol

Crafted from