DWF-Prime/WM "Primal Energy" (2xcLBX20, 3xcPPPC, 5xcMPL, 2xcAPG, 1xJJ)

https://mwo.nav-alpha.com/mechlab?b=8a286df4_DWF-PRIME
It can push out two alphas with full skills. Then you need to prioritize heat efficient weapons.

• HEAT-7.5%
• LASER DURATION-5%
• BASE ARMOR (CT)+26
• BASE ARMOR (RT)+15
• BASE ARMOR (LT)+17
• BASE ARMOR (RL)+9
• BASE ARMOR (LL)+9

A chassis trades laser duration for velocity.

If you want more torso weapons.
https://mwo.nav-alpha.com/mechlab?b=eb85db1e_DWF-W
There is room for the W/B chassis (with aggressive armor shaving) to fit a 6th MPL, but it will increase the risk of heat damage.
https://mwo.nav-alpha.com/mechlab?b=eb834833_DWF-W