"Within the secret realm, there are spiritual items, treasures, divine techniques, and spells that have taken the form of king beasts. By defeating these phantom beasts, one can receive rewards..."
"However, you should pay attention. You can learn up to three divine techniques or spells at most, so you must try to pick the ones of higher quality..."
"Gold, purple, orange, green, white—these five colors represent different tiers, with gold being the best and white being the worst..."
"You can forget about the gold ones, those phantom beasts are generally incomparably powerful and require the joint effort of hundreds of people to deal with..."
"As for the purple and orange ones, grab the opportunity to compete for them if you can, and if you really can't find any suitable divine techniques, green is also fine..."
"But there's really no need to bother with the white ones; they're just too much of a waste..."