User blog comment:GimmeStarfoxWii/Exhaust vs CV for Supports/@comment-4977390-20130408164511/@comment-7923992-20130409114129

exactly, leona needs the exhaust

i think soraka needs it too though

simply because  you need to protect your carry and soraka has no CC appart from silence, heal is nice but if the olaf/shyvana/jarvan gets in melee range with a redbuff he'll rape your adc if you can't CC him a bit  even if you heal + ult

also exhaust is the best late game summoner  with tp and revive imo

for these games where a fed  oponent  carries hard : exhaust + focus  does wonders