Dark Souls 3 Stat Softcaps

50 VIG (27=1000, Diminishing Returns from there, 19 each after)
40 END (10 Extra Stamina From 40-99)
40 VIT (After 40 still gain +1 Equipload per level but far less defense)
40 STR (Raises Defense)
40 DEX
40-60 FAITH
40-60 INT
40-60-99 LUCK

Attunement:

10 - 1 Slot
14 - 2
18 - 3
24 - 4
30 - 5
40 - 6
50 - 7
60 - 8
80 - 9
99 - 10

Build Calculator: https://mugenmonkey.com/darksouls3

Build Planner Spreadsheet:  https://docs.google.com/spreadsheets/d/1lBUDVRhFji5x41l_TLsmXT4sonWUAPfQBXpPpVJpwh4/edit?usp=sharing

(to use copy to your Google Drive or Download as Excel)