Concept support gems for non-crit builds
CoC damage scaling is top tier in part because it simply has the most mechanics that multiply together for the final dps.
For example, if you selfcast crit for 100 dmg with a crit rate of 50%, say you'll proc Coc every 10 hits, and that proc crit does ~100 dmg. But if you get your selfcast damage up to 1k with a crit rate of 100%, you proc CoC every single hit, and proc hit does ~1k dmg, an increase of 100x CoC total damage output from 100dmg/10 hits to 1k damage/1 hit.
And CoC's own scaling stacks with nearly every other single form of spell damage scaling: increased, more, cast speed, gained damage, spell levels.
A starter suggestion for how to increase endgame build diversity away from crits is to add a family of new support/lineage gems that greatly boost damage but prevent crits. Some unbalanced concepts:
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100% more cast speed, can't crit
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100% of damage taken by monsters from supported skills converted to damage over time over 2 seconds, with 200% more magnitude from the Contributing hit, can't crit
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arcane surge caused by this skill grants 200% more mana regen. can't crit from any source during arcane surge
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target can be affected by double the number of poisons, can't crit
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meta support gem: all other linked supports receive +50% increased effect, can't crit
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200% more magnitude of damaging ailments caused by this skill, but crit bonus does not Contribute to ailment magnitude (so you could still technically crit but it doesn't do extra damage for ailments)
... you get the idea, a family of support gems to increase endgame build diversity by opening new player power alternatives where crits are disabled so it isn't just optimal to embrace CoC scaling.
