Quick Spell Speed Question

[StouterTaru]

Isn't SS the only stat with no dimishing returns?

Crit Hit Rate increases damage as it increases rate. You start at ~5% chance at ~45% increase in damage. Around 46 Crit gives you a 1% increase to both crit rate and crit damage.

5%	45%	
6%	46%	~0.50% marginal increase from ~46 Crit
...
16%	56%	~0.66% marginal increase from ~46 Crit
...
26%	66%	~0.78% marginal increase from ~46 Crit