Lifeline Guide - Apex Legends

gamespot.com:

If you've played any battle royale games, most of what's in Apex Legends will be familiar to you. The big exception to that rule is that each of Apex's characters has their own set of special abilities that give them unique strengths and weaknesses, and each is geared toward a potential role on a team. When it comes to Lifeline, Apex Legends' combat medic, it's all about staying alive so you can help your teammates.

Lifeline has some of the best support abilities in the game, but she lacks any offensive options. She's great to have on a team, but when playing as her, you'll need to be smart about using her abilities to the fullest, and you'll need to make sure your teammates can support you.

Lifeline is the only medic in Apex Legends, and as such, you'll see her on a lot of teams. Her healing abilities can be indispensable in times of crisis, making it a little easier to revive downed teammates and get them back up to fighting strength in the middle of a firefight.

Passive: Combat Medic

Lifeline's most useful ability is the shield she projects in front of her when reviving teammates. While other players are stuck under fire when they revive and can be easily killed, Lifeline's shield saves her from the incoming damage. It can be the difference between losing a whole team and getting everyone back in the fight. Lifeline also heals herself and can revive teammates more quickly than other characters.

Tactical: D.O.C. Heal Drone

You can save teammates and yourself from spending their health items with your healing drone. Lifeline can drop the drone anywhere, and anyone standing close to it gets health restored--although how much health the drone can dish out is limited, and gets split between all the nearby players. You