Investigate the artifact

Investigate the artifact is the third mission of Size Matters. Ratchet and Clank traveled to Ryllus to further investigate the Technomite artifact, with Qwark following them, despite being told to stay behind. Upon arrival, they found the facility, abandoned by the Technomites long ago. Qwark, who claimed to have visited this place before, convinced Ratchet and Clank to let him help, in exchange for letting him use their ship's computer to research his family history. Qwark directed them to the large building within the jungle, claiming it to be where all strange items are usually hidden.

The duo ventured through the jungle, fending off several enemies until they reached the temple entrance. Ratchet stumbled upon a locked door, which he was unable to force open. However, Clank discovered a small crevice in the wall. Ratchet waited at the entrance, while Clank ventured inside to figure out a way to let him in.

Walkthrough
Proceed down the stone steps to a somewhat small area, where you will encounter some pygmy tribesmen. Take them out, then the gate will open. Follow the path to the next area and take out the razorback cat, but steer clear of its sharp horns it launches at you. The camera cutscene will trigger as you pass through the area. You will encounter some more razorback cats and a bury blossom. Upon approaching the barricade-like structure near the red flower, defeat the razorback cats and then activate the bolt crank to unlock the gate. On the other side, there will be a bunch of pygmy tribesmen waiting for you.

Up ahead is Professor Sprout, who you must approach to trigger a short cutscene in which he presents the Sprout-O-Matic. Once purchased, use the Sprout-O-Matic on the mimic plant to have it follow you around, then wet the patch of soil. The mimic plant will leap into the soil and grow into a larger plant. These plants come in different varieties, but this specific one will allow you to destroy the wall blocking your path. Make sure your view is facing towards the wall ahead and simply whack the plant's head to have it fly into the wall and destroy it.

Leap through the hole and take out the two red bury blossoms in this area. Following this, you will need to lure the mimic plant into the soil where those two red blossoms were and plant it, that way it will form into a ladder for you climb. After ascending to the upper area, you will be faced with a horde of enemies. Clear them out before making further use of the mimic plant. Once done, lure the mimic plant into the soil patch at the far end of the area. It will transform into a plant that will toss you into the next area upon whacking it.

Once there, equip the Hypershot and aim it the yellow target and swing across the gap. Defeat the pygmies and blossoms here. You will notice that there are two mimic plants in this area, one on the far left, and one on the far right. You should lure the plant on the left side into the middle to transform it into the wrecky-ball plant, in order to create another hole in the wall. Now you can lure the other plant into the soil and have it toss you through the hole into the temple. Here, you will find the Wildfire Helmet in front of you. Up ahead is a door, which Ratchet cannot open, but Clank can squeeze through the small hole in the wall. This will lead to the next mission, which is a Clank segment.