1–4–7 (some are only 1 and 7, which are noted as such)
Live Family shades
(mirror, wand, stone)
Dragons (Norbert, Horntail, Gringotts)
Hagrid on the bike carrying Harry to and from the Dursleys (only 1 and 7)
Harry/Ron/Hermione
Neville (House points in 1 and horcruxes
in 7)
Twin cores of wands
Time: desire for a
watch in 1 (when sentenced under the stairs), watch breaks in the lake in 4,
wizard’s watch received in 7
2–4–6 (some are only 2 and 6, which situation is noted)
Horcruxes
Seekers (4 = house
of seekers, 4 elements when bringing in Cho as seeker for Fleur)
Draco, Bourgin,
Cabinet, cursed necklace (2–6)
Slugs (2–6)
First DADA lesson riddle: Bottle Fame (2), Brew
Glory(4), Stopper Death (6)
Mention of 50 years
ago (diary, killing Riddles, HBP book date)
Beginning at the
Borrow (3 begins at Leaky Cauldron and 5 at #12 Grimauld place)
Aragog (2–6, but
also the spider and riddle in the maze)
Memory viewing
(diary and pensieve)
Potions Intel gathering (2–6:
polyjuice and felix)
Ginny (2–6)
Meet the new boss,
same as the old boss: Fudge (2) and Scrim (6)
Unorthodox entries
and Snape’s criticism (2–6)
Hover charms (4 and
6 = levicorpus)
Books (2–6 diary and
prince’s potion book)
Magical Invasion of
the Dursley House (Dobby, Weasleys, DD … you have the area invaded by dementors in book 5, but this
is specifically the domicile)
Magical transport
other than brooms that Harry doesn’t like (2= flu powder, 4 = portkey, 6 =
apparition)
Phoenix song (2 = in
the chamber, 4 = the light cage, 6 = the lament)
3–4–5
Curriculum
(increases year 3, decreases after 5)
Hagrid’s CoMC
classes
Divination/prophecy
(fits with both curriculum an narrative arc)
Dementors (materially
and symbolically, mental health: Lockhart and the Longbottoms)
Cho (presence in 4
intersects house of the seekers)
Sirius
Time (time turners
used in 3, destroyed in 5, comments on time and watch breaking in 4)
Inside book 4: World
Cup pairs with Graveyard, then first and third tasks pair, then task 2 at
center with descent into lake, where is found myth, time-breaking, and love
relationships.