Thornax are important mailable Items used in the BIONICLE mini-Rank. Thornax can be obtained by harvesting from the Thornax Plant Module. Users can show off how many they have on the Agori Trophy Module. They are sometimes referred to as "The Red LEGO Bricks of the BIONICLE Campaign."
- Send one to Malum for the Thornax Stew Blueprint.
- Trade ten for one Rock Salt on Malum's page.
- Five are used along with one Rock Salt to build one Thornax Stew.
- Trade five on Strakk's page for the Agori Honor Badge, Rank 4 Blueprint.
- Trade 50 on Atakus's page for one Mark.
- Trade 25 on Strakk's page for one Strakk's Seal.
- Trade one on Gresh's page for one Gresh's Seal.
- Ten are used to buy the BIONICLE skin from Atakus.
- Thornax can be used to click on users':