This item is related to Czech YouTuber "Radek Starý" (known as Sterakdary) for achieving high number of referrals. Although the newer referral system was available, Sterakdary was still using the original referral system.
Unique Passive - Bloodlust: After dealing or taking damage against an enemy champion, heal ( 2% / 1.2%)maximum health over 6 seconds. This stacks and refreshes per unique champion, up to 5 times for a maximum of healing ( 10% / 6%)maximum health over the duration.
Unique Passive - Lifeline: Upon taking damage that would reduce you below 30% maximum health, gain a 200 shield for 5 seconds. This shield is increased by ( 8% / 4.8%)maximum health per stack of Bloodlust (60 second cooldown).
Unique Passive - Giant Strength: Gain 50% of base attack damage as bonus attack damage.
Unique Passive - Lifeline: If you take 400 − 1800 (based on level) damage within 5 seconds, you gain a shield for up to 3.75 seconds equal to 75% of your bonus health, which starts decaying after 0.75 seconds (60 second cooldown). Triggering Lifeline grants Sterak's Fury.
Unique Passive - Sterak's Fury: Grants +25% increased size and +30% Tenacity for 8 seconds.