Yoimiya / Chevreuse / Fischl / Beidou

fn rand_counter() {
  let counter = rand();
  if counter > 0.80 {
    counter = 2;
  } else if counter > 0.7 && counter <= 0.80 {
    counter = 1;
  } 
  else {
    counter = 0;
  }
  
  return counter;
}
active beidou; 
for let i=0; i<4; i=i+1 {
  fischl attack, skill;

  if .chev.burst.ready {
    chev burst, skill[hold=1]:2;
  } else {
    chev skill[hold=1], attack;
  }
  
  beidou skill[counter=rand_counter()], burst;
  
  yoimiya skill, attack:5, dash, attack:5, dash, attack:5;
  
  fischl attack:2, burst;
  
  beidou skill[counter=rand_counter()];
  
  yoimiya skill, attack:5, dash, attack:5, dash, attack:3, burst;
}