Elements! How fun. Certain Jutsu have elemental releases that affect how they interact with one another. Elements all provide equal advantages and disadvantages. There are 5 basic elements:
Fire
Earth
Water
Wind
Lightning
Yin
Yang
*Upon creation, you must choose Yin or Yang release. Yin release is mandatory for Genjutsu.
Then we have Natureless Jutsu.
Note: Jutsu with elements ALWAYS incur a chakra cost.
When two elemental attacks clash, there are elemental matchups! All elements have a time and place where they’re needed.
The loser of an elemental clash according to the matchup suffers minus 10 POWER to their offensive or defensive use of that Jutsu.
Natureless Jutsu ignores single element matchups.
Elements have passive bonuses and drawbacks that maintain their own stacking tree.
*When an element is facing its counter, all Jutsu used offensively or defensively of the weaker nature is deducted by -10 POW and - 10 AGL if applicable.
A Kekkei Genkai is a fusion of two elements.
Kekkei Genkai never suffer clashing disadvantages against base elements.
Kekkei Genkai matchup against one another in elemental clashes for - 10.
They have passive benefits and drawbacks akin to single elements, some also fitted with passive traits.
Once you have a Kekkei Genkai, you can utilise the Jutsu the KKG is made of with the KKG passives and aesthetics.
Acquiring a KKG gives you one free custom slot of each rank for a Jutsu dedicated to said KKG. ( i.e. pure Lava. ) You gain this free slot corresponding to your existing letter rank.