Dungeon_game, trying to print out a sweet ASCII monster image, doesn't come out right

import random
import os
import sys

error_messages = [
"Not without a shovel, mate!",
"Sorry guv, you've hit the wall!",
"Ain't gonna happen, brev!",
"Stop knockin' yer 'ead on the wall guv'na ! Turn around!",
"Ain't going no furver, mate!",
"Stop slammin the wall, ya cheeky bastard!",
"Hear that clunk? That's your head banging the wall!",
"Go ahead, keep banging into the wall, see what I care!"
]

monster_image = '''\\
                              ,--,  ,.-.
                ,                   \,       '-,-`,'-.' | ._
               /|           \    ,   |\         }  )/  / `-,',
               [ '          |\  /|   | |        /  \|  |/`  ,`
               | |       ,.`  `,` `, | |  _,...(   (      _',
               \  \  __ ,-` `  ,  , `/ |,'      Y     (   \_L\
                \  \_\,``,   ` , ,  /  |         )         _,/
                 \  '  `  ,_ _`_,-,<._.<        /         /
                  ', `>.,`  `  `   ,., |_      |         /
                    \/`  `,   `   ,`  | /__,.-`    _,   `\
                -,-..\  _  \  `  /  ,  / `._) _,-\`       \
                 \_,,.) /\    ` /  / ) (-,, ``    ,        |
                ,` )  | \_\       '-`  |  `(               \
               /  /```(   , --, ,' \   |`<`    ,            |
              /  /_,--`\   <\  V /> ,` )<_/)  | \      _____)
        ,-, ,`   `   (_,\ \    |   /) / __/  /   `----`
       (-, \           ) \ ('_.-._)/ /,`    /
       | /  `          `/ \\ V   V, /`     /
    ,--\(        ,     <_/`\\     ||      /
   (   ,``-     \/|         \-A.A-`|     /
  ,>,_ )_,..(    )\          -,,_-`  _--`
 (_ \|`   _,/_  /  \_            ,--`
  \( `   <.,../`     `-.._   _,-`
   `                      ```
'''


CELLS = [(0,0),(1,0),(2,0),(3,0),(4,0),
         (0,1),(1,1),(2,1),(3,1),(4,1),
         (0,2),(1,2),(2,2),(3,2),(4,2),
         (0,3),(1,3),(2,3),(3,3),(4,3),
         (0,4),(1,4),(2,4),(3,4),(4,4),]

def clear_screen():
    os.system('cls' if os.name == 'nt' else 'clear')

def get_locations():
    return random.sample(CELLS,3)



def move_player(player, move):
    x, y = player
    if move == 'LEFT':
        x -= 1
        if x < 0:
            x = 0
    if move == 'RIGHT':
        x += 1
        if x > 4:
            x = 4
    if move == 'UP':
        y -= 1
        if y < 0:
            y = 0
    if move == 'DOWN':
        y += 1
        if y > 4:
            y = 4
    return x,y

def get_move(player):
    move = ["LEFT", "RIGHT", "UP", "DOWN"]
    x, y = player
    if x == 0:
        move.remove("LEFT")
    if x == 4:
        move.remove("RIGHT")
    if y == 0:
        move.remove("UP")
    if y == 4:
        move.remove("DOWN")
    return move




monster, door, player  = get_locations()

while True:
    valid_moves = get_move(player)

    print("Welcome to the DUNGEON !")
    print("You are currently in room {}".format(player)) 
    print("You can move {}".format(", ".join(valid_moves)))
    print("Enter QUIT to quit")

    move = input("> ")
    move = move.upper()

    if player == door:
        print("")
        print("")
        print(" BY JOVE, YOU'VE DONE IT , YOU HAVE FOUND THE DOOR AND LEFT THE MAZE! ")
        break

    if player == monster:
        print("")
        print("")
        print("\n")
        print(monster_image)
        print("RUN AWAY, IT'S A MONSTER!!!")
        break

    if move == 'QUIT':
        print("I guess you were afraid of the DUNGEON!")
        break
    if move in valid_moves:
        player = move_player(player, move)
    else:
        print(random.choice(error_messages))
        continue
    clear_screen()