Walkthrough guide on how to find the effects
Basalt:
The basalt effect is located on the basalt world, go down and a bit left and interact with the basalt ball.
Purple:
The purple effect is located on the purple forest, go down and follow the river until you find a purple girl, interact with her for the effect.
Dental:
The basalt effect is located on the dental world, follow the light blue path until you get to the corner, then go diagonal left down and interact with the teeth.
Flower-based:
The flower-based effect is located on the pink pradare, enter the dental world, go down a bit and then right, enter the red door and follow the path, then enter through the demon's mouth to get to the pink pradare, go up from the entrance and you will find a pink building, enter the building and interact with the blue rose flower.
Holy:
The holy effect is located on the heaven ascent, enter the purple forest, go diagonal up-left from the door, you will find a creature and a yellow triangle door, enter the door and go 2 clouds down, 1 cloud to the left and 3 clouds up, you will find a yellow door, enter the building and interact with the angel to get the holy effect.
Star:
The star effect is located on the color paths, it can be accessed and obtained through 2 ways
Way 1:
In the basalt world, go diagonal down-right but a bit more down heading, you will find some structures, enter the basalt fortress and go up through the red door, enter it and follow the path, then enter the rainbow door, then go left and up through the red and blue paths, then go down to the purple peninsula and interact with the colorful cube, you will get teleported to another cube on the right, interact with the cube on the left and interact with the star on the green tile path.