Monolith is a Legends of Idleon NPC: quest reward, 3 quests.

Monolith | Idleon Toolbox

Monolith

A stone statue sculpted in the likeness of an absolute unit. Give this to the Statue Man in return for some bonus stats.

Power_Statue

The sculptor got so fed up with people misinterpreting his previous statues, he felt the need to spell this one out.

EhExPee_Statue

A stone statue named after the catch phrase of a very fast and very not real red car. Give this to the Statue Man in return for some bonus stats

Kachow_Statue

Hold down to gain Class EXP. The amount you gain is based on your Class LV.

Holy_Pearl

Hold down to gain 40% EXP in the current skill you're doing! If you're in a town, you will gain EXP in the town skill. Only works on skills below level 50. IMPORTANT: This cannot be used for skills in World 5 or beyond.

Divinity_Pearl

Drop this on the statue man, and you'll turn him to onyx and unlock the ability to trade in statues for Onyx rank!

Onyx_Tools

Special_Talent_Book

An entire day, just like that! Hold down to instantly get 24 Hour of AFK Gains.

24_HR_Time_Candy

Flamboyant_Bayou

Prove you know the Statue Man by leveling up Statues to Lv 250 total and bringing 17 different statues

Surface_Level_Jealousy

Bring some statues to the monolith, and youll get to make ONYX STATUES!