Basic Stuff Strength - 99ATK with Real Knife. The Real Knife seems to be incapable of cutting a plant fully but is well capable of taking out animals. Has 48 ATK without Knife... So 1 total of 147 ATK.
Defenses - 99DEF with The Locket. The Locket covers a small surface. Increases SOUL's Def? Wears regular everyday clothing... Has 14DEF without Locket. So a total of 113 DEF.
Endurance - Due to Determination Chara is capable of going a long time. However it has it's limits. 99HP. If we take in the fact that HP is also called Stamina in some games. Stamina is also a word for Endurance. So yeah... 99 Endurance...
Abilities Wiping Out Everything - Chara has taken out the entire underground with ease. Seeing this Chara has faced many different opponents. BUT! None has used bullet hell like Flandre. Some foes don't even count as bullet hell either.
Reality Deletion - Chara is capable of deleting reality which alone could end the fight fast. But why would Chara erase their goal?
Reset - Chara is capable of retrying a fight at death. Basically a continue in a sense.
Hitbox - Chara's hitbox is the SOUL no smaller. Making Chara a rather easy target to hit seeing how Chara's SOUL is BASICALLY THEIR TORSO!
Personality That May Effect Battle Psycho Follows "Kill or be killed"
Missing anything? Tell me.