In the Three Kingdoms game, there are 4 color characters, namely green, blue, purple, orange and red. The red characters are the hardest to come by and are considered the strongest.
An easy way to get a red character / red hero
You can get red characters by using an item called a red token. Red tokens can be obtained from a 7 day login reward (7 days carnival)
You can also buy and collect 100 fragments / shards at the shop.