how to get all replies to a specified tweet without users already blocked?

[Ektld]

TWEET_ID_OF_TARGET_TO_FETCH_REPLIES =''
client = Client('ja-JP')
client.load_cookies()

async def main():
    target_tweet = await client.get_tweet_by_id(tweet_id=TWEET_ID_OF_TARGET_TO_FETCH_REPLIES)

    replies = target_tweet.replies
    print(replies) # check the fetched tweets
    for tweet in list(replies):
        block_user_id = tweet.user.id
        await client.block_user(block_user_id)

asyncio.run(main())

I want to block the users who relied to a specified tweet. Above is my code. However, target_tweet.replies (Tweet.replies) returns a few replies (2 to 7) and cannot get many other replies. Is this something that can't be helped by the API or other specifications?

Additionally, to avoid account freezing by twitter AI, we would like to set a limit on the number of blocks at one time and execute the block multiple times.
To do this, please let me know if there is a way to retrieve tweets without users already blocked on my account, or if there is a way to retrieve a list of users already blocked on my account.