Most talents that scale of a stat do so more linearily

game/modules/tome/class/Actor.lua

game/modules/tome/class/FortressPC.lua

game/modules/tome/class/Trap.lua

game/modules/tome/class/interface/Combat.lua

game/modules/tome/data/general/npcs/sandworm.lua

game/modules/tome/data/general/npcs/vermin.lua

game/modules/tome/data/general/objects/egos/belt.lua

game/modules/tome/data/general/objects/egos/wands.lua

game/modules/tome/data/talents/celestial/twilight.lua

game/modules/tome/data/talents/cunning/lethality.lua

game/modules/tome/data/talents/cunning/stealth.lua

game/modules/tome/data/talents/cunning/survival.lua

game/modules/tome/data/talents/cunning/tactical.lua

game/modules/tome/data/talents/cursed/dark-sustenance.lua

game/modules/tome/data/talents/gifts/call.lua

game/modules/tome/data/talents/gifts/summon-melee.lua

game/modules/tome/data/talents/misc/npcs.lua

game/modules/tome/data/talents/misc/races.lua

game/modules/tome/data/talents/psionic/absorption.lua

.../tome/data/talents/psionic/finer-energy-manipulations.lua