Chipp is one of the characters with less health bar, so almost any character could do that damage, Slayer is one of the strongest, Chipp could’ve used it wisely and wait to attack and cause a lot of damage to Slayer, but clearly he didn’t block (because he could, both can do it after the animation) or he tried it to…

US Billion? 1 000 000 000 = 1 x 10^9