Free Agent - NA
Characters ranked higher will require lesser brain power. However, this isn't a power ranking system, those above do not arbitrarily beat those below, however are weighted as greater, this is apropos of the tier list format.
ss
1. Lian Precision - Very little stimulation of neurons
2. Vivian OiC - Some neuron activity required to press Q (Deflector Shield)
3. Jenos Binary - Don't have to utilise brain as much as there's no healing; little FL stimulation for using ult.
s+
4. Strix Nocturnal - Doesn't require much processing power, just occasionally go invisible idk
5. Sha Lin Recurve - Some critical thinking required to hold mouse 1 long enough
6. Kinessa Eagle Eye - Major FL stimulation to prevent being dived by flanks
7. Skye S&D - Large utilisation of multiple brain regions to press Q to drop a smoke on teammates
8. Lex DH - Constant stimulation towards neural receptors, using retribution to wall hack.
s
9. Ying Focusing Lens - Above average intelligence, understands that teammates can survive without heals by 'shooting the enemy harder'
10. Io Lifelink - IQ likely above 130 points, Luna is invested as a sentry turret on flank-routes instead as tank on point, realises that Lifelink is the superior talent to Goddess' Blessing as Life Link gives 200 hps 'big heals'.