[quote]puppeteer is an even worse nightmare, keeping health up and spamming damage, but after 8-9 full phases health bar is still 60% is ridiculous. not to mention error code kicked me at 60% health and other bugs that prevent solo flawless.[/quote] At 9 dps phases you should be done. I know it's a marathon and not a sprint, but there's something wrong with your strat. Titan with rally barricade, suspectum lfr with chill clip (paired with any perk in the other column), facet of hope to regen class ability faster when you have an element buff (frost armour), stasis artifact mods that deal with stasis weapons and debuffs, twilight arsenal (after slowing boss) with facet of courage, alpha lupi as your healing (with ophidian if you have the class item with both), and forego extending dps. Sit up on the bunker safe spot and get those head shots. If possible, at the start, use the final warning exotic sidearm to unravel the boss. Armour swap for x3 stasis surge, a reload with dexterity, x2 targeting, and x2 time dilation. I did not think of unraveling with Final Warning until my 2nd last dps so with that, 7-8 dps phases maybe.