Martyr Symbiosis, Survival Instinct, and Sly Devolution all work to increase your passive tanky-ness by decreasing enemy accuracy and giving you a size-able amount of heals when required. The new Bond mods provide useful utility - Tenacious increasing your crit damage and Reinforced increasing your fire rate. [Bite] enables [Tenacious Bond] by hitting the crit threshold, and [Calculated Redirection] + [Hastened Deflection] enable [Reinforced Bond]