Emma
Fire 
Machine Gun 
Supporter 
Burst 1 
Elysion Tier 5 
■ There is a 5% chance to activate when attacked. Affects all allies.
Recovers 5.92% of the skill user's final Max HP as HP.
■ There is a 5% chance to activate when attacked. Affects all allies.
Recovers 6.46% of the skill user's final Max HP as HP.
■ There is a 5% chance to activate when attacked. Affects all allies.
Recovers 7% of the skill user's final Max HP as HP.
■ There is a 5% chance to activate when attacked. Affects all allies.
Recovers 7.54% of the skill user's final Max HP as HP.
■ There is a 5% chance to activate when attacked. Affects all allies.
Recovers 8.08% of the skill user's final Max HP as HP.
■ There is a 5% chance to activate when attacked. Affects all allies.
Recovers 8.62% of the skill user's final Max HP as HP.
■ There is a 5% chance to activate when attacked. Affects all allies.
Recovers 9.15% of the skill user's final Max HP as HP.
■ There is a 5% chance to activate when attacked. Affects all allies.
Recovers 9.69% of the skill user's final Max HP as HP.
■ There is a 5% chance to activate when attacked. Affects all allies.
Recovers 10.23% of the skill user's final Max HP as HP.
■ There is a 5% chance to activate when attacked. Affects all allies.
Recovers 10.77% of the skill user's final Max HP as HP.
■ Activates when above 90% HP. Affects all allies.
Incoming healing ▲ 7.33% continuously.
■ Activates when above 90% HP. Affects all allies.
Incoming healing ▲ 8% continuously.
■ Activates when above 90% HP. Affects all allies.
Incoming healing ▲ 8.66% continuously.
■ Activates when above 90% HP. Affects all allies.
Incoming healing ▲ 9.33% continuously.
■ Activates when above 90% HP. Affects all allies.
Incoming healing ▲ 10% continuously.
■ Activates when above 90% HP. Affects all allies.
Incoming healing ▲ 10.66% continuously.
■ Activates when above 90% HP. Affects all allies.
Incoming healing ▲ 11.33% continuously.
■ Activates when above 90% HP. Affects all allies.
Incoming healing ▲ 12% continuously.
■ Activates when above 90% HP. Affects all allies.
Incoming healing ▲ 12.66% continuously.
■ Activates when above 90% HP. Affects all allies.
Incoming healing ▲ 13.33% continuously.
Altruism
■ Affects all allies.
Recover HP equal to 21.78% of the skill user's final Max HP.
Recover 21.78% of attack damage as HP over 5 sec.
■ Affects all allies.
Recover HP equal to 23.76% of the skill user's final Max HP.
Recover 23.76% of attack damage as HP over 5 sec.
■ Affects all allies.
Recover HP equal to 25.74% of the skill user's final Max HP.
Recover 25.74% of attack damage as HP over 5 sec.
■ Affects all allies.
Recover HP equal to 27.72% of the skill user's final Max HP.
Recover 27.72% of attack damage as HP over 5 sec.
■ Affects all allies.
Recover HP equal to 29.7% of the skill user's final Max HP.
Recover 29.7% of attack damage as HP over 5 sec.
■ Affects all allies.
Recover HP equal to 31.68% of the skill user's final Max HP.
Recover 31.68% of attack damage as HP over 5 sec.
■ Affects all allies.
Recover HP equal to 33.66% of the skill user's final Max HP.
Recover 33.66% of attack damage as HP over 5 sec.
■ Affects all allies.
Recover HP equal to 35.64% of the skill user's final Max HP.
Recover 35.64% of attack damage as HP over 5 sec.
■ Affects all allies.
Recover HP equal to 37.62% of the skill user's final Max HP.
Recover 37.62% of attack damage as HP over 5 sec.
■ Affects all allies.
Recover HP equal to 39.6% of the skill user's final Max HP.
Recover 39.6% of attack damage as HP over 5 sec.
Skill recommendations
Synergies & notes
By today's standards, a really bad kit that's just underwhelming on most (if not all) PVE content. Invest only if she is your waifu.
Solo Raid Usage
This is based on the top 50 players of all NIKKE servers combined. Data is from enikk.app, check their website for a lot more information.
Usage shown is based on the date the unit was released to avoid empty spaces on previous raids.