To produce 3500 lumens of course we are talking about overdriving the LED. As long as it is mounted on DTP MCPCB it will be fine.
Worrying about overdriving it?
XM-L2 in Thrunite TN32 is driven >6A (spec: 3A).
XM-L2 in Sup/Acebeam K50 is driven >5A.
And this is the test from djozz,
Crash testing an MT-G2 on copper Noctigon