Artifact set
Life
Set bonus
Life
- Set Bonus (2 pcs.): HP +15%
As the game's own text says: 2 Set: HP +15%
Pieces needed for the bonus: 2 (the game's number for this set).
Other 2-piece sets
Accuracy2 piecesACC +40
Crit Damage2 piecesC. DMG +20%
Critical Rate2 piecesC. RATE +12%
Cruel2 piecesATK +15%. Ignores 5% of enemy DEF
Defense2 piecesDEF +15%
Defiant2 piecesDEF +10%. -15% Damage taken from enemy AoE attacks
Divine Critical Rate2 piecesC. RATE +12%. +15% HP Self Shield for 3 Turns
Divine Life2 piecesHP +15%. +15% HP Self Shield for 3 Turns
The text is the game's own and has not been tested in battle here. The game data does not say here where the set drops or which champions use it. See Data quality.