Your first task will be to unscramble a word or phrase. You will get the necessary letters by using word filters 900-1000 (individual numbers between colons). Once you unscramble the word/phrase, put it between colons to move on to the next task.

;900:

;901:

:900:

:901:

:902:

P
:904:
:905:
:906:
:907:
:908:
:909:
:910:
R
:912:
:913:
:914:
:915:
G
:917:
:918:
:919:
:920:
:921:
:922:
:923:
:924:
:925:
N
:927:
:928:
:929:
:930:
:931:
:932:
:933:
:934:
:935:
:936:
:937:
U
:939:
:940:
:941:
A
:943:
:944:
:945:
:946:
:947:
:948:
:949:
:950:
:951:
:952:
:953:
:954:
:955:
:956:
:957:
:958:
:959:
:960:
:961:
:962:
:963:
:964:
:965:
:966:
S
:968:
E
:970:
:971:
:972:
:973:
:974:
:975:
:976:
L
:978:
:979:
:980:
:981:
E
:983:
:984:
:985:
:986:
:987:
:988:
:989:
:990:
:991:
:992:
:993:
:994:
:995:
:996:
T
:998:
O
:1000:

Post a screenshot with the completed puzzle. After the screenshot is posted, your next word filter is the answer to this question. The names of the students who entered the Chamber of Secrets in the second book in alphabetical order? (first names only, lowercase, no spaces, between colons) https://www.jigsawplanet.com/?rc=play&pid=266366e45fb1

:basilisk:

liar

:basilisk :

:basilisk:

The answer to the following crypto is your next word filter (all lowercase, no spaces, between colons) https://i.imgur.com/SmNKnPr.jpg