Here’s my Full Setup:
Apex Legends ST
Default settings (follow mists guide)
In game sens at 7 to keep Aim Assist active.
FOV - 90 (user choice)
12,000 dpi
1000hz
Sync off
HIP - 56 sens + Curve
ADS - 36 Sens + Curve + 1.25 y/x ratio (Y/X ratio is for recoil control only, so user choice).
Full config code: must use firmware/Manager 20190702 or 19.

>>> XIM APEX [RMLegends] START COPY >>> X5C: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:X5C
<<< XIM APEX END COPY <<<
Here are the HIP/ADS curves. Some may like to use these only with ADS.
Current HIP Curve:
>>> XIM APEX [Translate Ballistics] START COPY >>>
X5BC:gACBLIJYg4SETIUUhdyHbIg0iPyJxItUjByM5I2sjnSQBJDMkZSSXJMkk+yVfJZElwyX1JicmWSaLJu8nISdTJ4UntyfpKBsoTSixKOMpFSlHKXkpqynEKcQpxCnECcQJxAnECcQ:X5BC
<<< XIM APEX END COPY <<<

Current ADS Curve:
>>> XIM APEX [Translate Ballistics] START COPY >>>
X5BC:gACBLIJYgyCD6ISwhkCHCIfQiJiJYIrwi7iMgI1IjhCPoJBokTCR+JLAk4iVGJXglqiXcJg4mQCZyJtYnCCc6J2wnnifQKAIoNCiYKMoo/CkuKWApkinEKcQpxCnECcQJxAnECcQ:X5BC
<<< XIM APEX END COPY <<<

Alternate HIP/ADS Curve (even less Aim Assist):
>>> XIM APEX [Translate Ballistics] START COPY >>>
X5BC:gACBLIJYg4SEsIXchwiH0IiYiWCKKIu4jUiOEI7Yj6CQaJH4k4iUUJUYleCWqJg4mciakJtYnCCc6J54oAig0KGYomCjKKPwpYCnEKcQpxCnEKcQpxCnEKcQpxCnECcQJxAnECcQ:X5BC
<<< XIM APEX END COPY <<<

Cheers!
Tried this out. Good job man. That's what's nice about the xim. You can pick the way you want to play. RML as always has created great configs to harness AA and to make the game feel as smooth and constant.
Mists default STs are great.
IMHO if you are a slow, methodical shooter then use the default. If you run around and like aim assist then RML all day, and if you've been watching too many shroud and dizzy videos then go ahead and use my setting LOL hi speed little to no aim assist.