Stargazers chart a different constellation every game. This game: <TFTStargazer>The Serpent</TFTStargazer>.
Allies in empowered hexes gain 6% Durability. Stargazers in empowered hexes gain more and poison enemies, repeating a portion of damage dealt as magic damage over 3 seconds.
(3) 7%

, 30% poison damage
(5) 12%

, 50% poison damage
(7) 17%

, 70% poison damage
More hexes reveal at each player level