The endurance bar is located above the players' hit points. Once it runs out, the players' robo gets "downed" which means that it stays fallen for a couple seconds. After it gets up, it goes into "rebirth", where it stays invincible for about 3 seconds.
The endurance bar is above the players' hit points. When it runs out, the players' robo becomes "knocked out" and remains down for a few seconds. After recovering, the robo enters "resurrection," becoming invincible for approximately 3 seconds.