Challengers

Challengers are powerful bosses that can randomly be summoned instead of the Moon Lord when the player defeated a player or uses a Celestial Signal in Late/End of War Mode. A 20% chance. Instead of "Impending Doom Approaches", It would say ''"A challenger Interrupts the signal." ''And then one of the Three Messages would appear:
 * "The Ground Shakes uncontrollably" (Storm of Terrarians)
 * "The Air Begins to melt your mind" (Laviller)
 * "You feel watched by a godly beast" (Idominus)

Death Differences
When a Challenger Kills you, the death is much more difficult to recover from. Getting worst in expert mode.

Soft-Core
When a player dies from a Challenger in Soft-Core. they will do the following:
 * Drop all their coins.
 * Drop the item they were currently holding (Or all the Items in there Hotbar in expert mode)

Medium-Core
When a player dies from a Challenger in Soft-Core. They will do the following:
 * Drop all their coins/items.
 * Kill all other players (Plus Death Differences in Expert Mode).

Hard-Core
When a player dies from a Challenger in Soft-Core. They will do the following:
 * The player dies Permanently.
 * Kill all players (Plus killing them Permanently in Expert Mode).
 * Delete the World.