Introduction
Skills in Legend of Mushroom act an additional effects when fighting. There are eight rarities of Skills: Normal; Unique; Well; Rare; Mythic; Epic; Legendary; and Immortal.
Skill Effects
There are two types of Skill effects: deploy, and permanent.
The deploy effects vary massively, with each Skill having a unique effect, some effects include: AoE DMG, stun, Crit Rate etc. to name a few. You must have the Skill equipped for you to receive these effects.
The permanent effects are classified as ATK, HP, and DEF boosts which apply globally. You simply need to own the Skill for the effect to take place, and do not need to be present in the battle for you to receive the benefit.
In the image below, the area highlighted in red is the deploy effects, and the area highlighted in blue is the permanent effects. The green box represents the cooldown period (how long until the skill can be activated again).
How to Obtain Skills in Legend of Mushroom
Gacha Machine
There are a variety of ways to obtain Skills, although the most common is use the gacha machine located in the shop.
Here you can receive free draws every day for watching ads, or you can use Skill coupons or diamonds. The most efficient method is to use the Draw x 35 as it only costs 30 coupons (or 600 diamonds).
When you draw you will see a screen that shows you what you have won. The more Skills you draw from the machine, the higher the machines level. As the gacha machine increases in level. your chances of receiving rare Skills increase.
Skill coupons can be gained from events, quests, mining, or Lucky Wheel to name a few.
Dormitory
You can gain Skills from the Dormitory, both online and offline. The higher level of Magic Lamp you have, the more rewards you will receive in the Dormitory, and the greater the chance of higher level Skills.
Optimising Skill selection by Class Type
Below I have only included the OP Skills, the ones you should definitely seek to equip. Besides this I belief a lot of it is personal preference, as long as you follow the guidance under each class and the style of effects you should seek.