Monsters gain a set of skills depending on their Tier of Evolution.
They can have maximum of 4 skills by Tier IV.
Skills start of at Grade E and can be upgraded to Grade S(max) by training them with monster/monster shards.
Each skill has a tier of I,II,III,IV which represents the monster tier needed to train the specific skill
Non Ancient Monsters
1 Monster gives a percentage upgrade of 20%. 1 Monster shard gives a percentage upgrade of 0.6%
Awakened skills can be upgraded using any tier monsters however the higher the tier, the higher the percentage.
Ancients require different training materials to level up their skills.
They require a material known as 'will of ancients' that can be obtained by Loveshack : In Position
Similarly, each skill has a tier of I,II,III,IV which represents the Will of Ancient tier needed to train the specific skill