In this game, there is a monster called skill fairy which functions to increase the skills of all heroes. There are several types of skill fairy
Skill fairy
Skill fairy used to upgradr askill for 1 star until 4 stars hero (origin)
Small skill fairy
Small skill fairy used to upgradr a skill for 5 stars hero (origin)
How to get fairy skills ?
Fairy skills are very useful especially for upgrading LND hero skills. Here are some ways to acquire fairy skills.
Arena shop/ honor store
You can also get small skill fairies and skill fairies by buying them at the honor shop using victory points. Victory points are obtained from the area
Guild Raid
You can get fairy skills and small skill fairies from guild raids. In addition, you can also get crystals, fairy promos, 6 stars runes, light darkness scrok, legendary scrolls, etc.
Combine
You can combine 100 piece skill fairy into 1 fairy skill. Skill fairy (piece) can be obtained from main quests, guild shops etc.
Combine 100 piece.
Achievement, main quest,