Some characters would be able to use the least of their power to prevent such things like that though. And several of the JLA members would find little difficulty soloing a herald. Such as Phantom Stranger, Triumph, Energy Superman, Dr Fate.
Faith
Nightwing
Oracle
Captain Marvel
Aquaman
Black Canary
The Flash/Barry Allen
Green Lantern/Hal Jordan
Martian Manhunter
Green Arrow/Oliver Queen
The Atom
Hawkman/Carter Hall
Hawkgirl
Superman
Batman
Moon Maiden
Sargon the Sorcerer
Elongated Man
Red Tornado
Zatanna
Firestorm
Steel
Vibe
Vixen
Gypsy
Blue Beetle
Captain Marvel
Doctor Fate
Green Lantern/Guy Gardner
Mister Miracle
Doctor Light
Booster Gold
Captain Atom
Red Rocket
Fire
Ice
Hawkman/Fel Andar
Hawkwoman
Animal Man
The Flash/Wally West
Metamorpho
Power Girl
Huntress
Crimson Fox
Lightray
Orion
Blue Jay
Silver Sorceress
General Glory
Lobo
Tasmanian Devil
Bloodwynd
Maxima
Ray
Wonder Woman/Diana
Maya
Flash/Jay Garrick
Triumph
Hawkman/Katar Hol
Atom-Smasher
Obsidian
Blue Devil
Green Lantern/Kyle Rayner
Green Arrow/Conner Hawke
Oracle
Plastic Man
Steel/John Irons
Wonder Woman/Hippoloyta
Zauriel
Big Barda
Hourman
The Flash/Walter West
Manitou Raven
Major Disaster
And that doesn't even touch base with the amount of characters at disposal.
And some past versions of these characters could probably solo the whole ordeal, like former Captain Atom, used to be able to re-write the universe on a whim, same for Hourman android, for example.