If a Rinshi can cross through the Chamber of Trials (試しの房, Tameshi no Bō), defeating the other Rinshi inside single-handed, he/she can remove the mask and the animal motif on the forehead materializes, with the Rinshi receiving new attire and promoted to the more powerful rank of Rinrinshi, who can assume Beast-Man form for a tentative amount of time.
When they die, their bodies petrify and explode in violent, bluish flames. Maku send in an entire army of Rinshi to face the Gekirangers. In the aftermath of Maku's defeat, only one Rinshi remained whom Mele assigned the task of finding her a gem, and this one has failed many times to pass the Chamber of Trials.
Finding the Raspberry Diamond, the Dropout Rinshi dons Butoka armor and obtains the item before Mere enables him to use his full power. But a frustrated Ken arrives in SaiDaiOh and easily destroys the last Rinshi. The Rinsi are later revived by Long as his personal army, using them to fight the Gekirangers.
- The Rinshi are the only Sentai Foot Soldiers that share their name with their Power Ranger counterparts.
- Rinshi (Jungle Fury) - Power Rangers counterpart in Jungle Fury.