Need help on xbox one on the presequal please. lvl 36 shadow trap

I’m trying to beat shadow trap at the end of the claptrap dlc and could really use some help I am 2 levels below him (I’m level 34 and hes level 36) and it took about an hour just to get past the second stage of the fight and the third stage I could do but it would take like 3 hours (I took out a quarter of his health in about 45 minutes then he recharged his shield and i just noped) if you can help me just send me a message on xbl at the Gamertag MrPolarBearCub