u/GGoogly

Ponderer now occasionally appears on the map (client sided). When it spawns, a sound cue plays; similar to how a sound cue plays when Husk spawns.

To counter Ponderer, it must be on your screen for 3 seconds (standard). If it's on your screen, a bar will start filling up; after the bar is filled it will despawn.

You must start looking at it within 3 seconds, failure to do so will result in death. Ponderer will immediately rush towards you like in the actual game, there is no way to save yourself once it goes toward you. If you stop looking at it the bar goes down.

Ponder can be seen through obstacles, when not in direct line of sight it will appear transparent and marked with a red outline (as seen above.