Unown is the alphabet Pokémon with all its forms representing a letter from the alphabet. You encounter the various form by completing the four puzzles found in the Ruins of Alph. Each puzzle unlocks different forms of Unown.
First puzzle[edit | edit source]
-
A
-
B
-
C
-
D
-
E
-
F
-
G
-
H
-
I
-
J
-
K
The first puzzle is found in the northeast corner and can be gotten to without any HMs. The puzzle is a Kabuto and when solved it will unlock Unowns A to K.
Second puzzle[edit | edit source]
-
S
-
T
-
U
-
V
-
W
The second puzzle is found in the southeast corner and can be gotten to by using HM03 Surf on the pond in the southern area. The puzzle is an Aerodactyl and when solved it will unlock Unowns S to W.
Third puzzle[edit | edit source]
-
X
-
Y
-
Z
The third puzzle is found in the northwest corner and can be gotten to through the northern exit in the basement of Union Cave and HM03 Surf is required. The puzzle is a Ho-Oh and when solved it will unlock Unowns X, Y and Z.
Fourth puzzle[edit | edit source]
-
L
-
M
-
N
-
O
-
P
-
Q
-
R
The fourth puzzle is found in the southwest corner and can be gotten to thtouhb the exit behind a boulder in the basement of Union Cave and HM03 Surf and HM04 Strength are required. The puzzle is an Omanyte and when solved it will unlock Unowns L to R.