Cube: Resilience or Bastion are the best option, like most units in the game. Quantum could be used if your team is low on burst generation.
OL Gear: Support unit so it doesn’t matter what you get. ATK, max ammunition and elemental damage are desirable but not required.
Amazing support providing offensive buffs and repairing the cover for the team. Used since day 1 and doesn't look like she's going anywhere.
Let the grandma retire Shift Up.
