ECHO

ECHO is one of the nine families of BONK!; 21 pieces pay under it.

Every piece pays under one of nine families: electric, explosive, fire, gold, normals, projectile, wave, echo or fair (the fair-rule prizes).

Hammers (4)

ECHO	A ghost hammer re-strikes the column of your LAST BONK, one row later. It re-triggers the specials it pops.
ENCORE HEAD	After a chain of 3+, it repeats the play: an extra BONK on a special that continues your combo (the links carry over).
PHANTOM HEAD	Every 2nd strike, hit or miss, a ghost hammer BONKs the far end of your column (the top row).
RECORDER HEAD	Records 3 strike columns, then a ghost hammer replays them in order on the next 3 rows. The tape rewinds for 3 strikes.

Moles (3)

MIRROR	Copies the last special effect of the chain, from its own hole.
GHOST	Hit it any way and it repeats the LAST special effect your build fired, from its own hole.
PRISM	Copies the type of the special mole next to it: BONK the Prism and it fires that mole's effect.

Prizes (3)

DEJA VU	Clear a whole row and a ghost copy of it appears 5 rows ahead: same pattern, pays half, free if it escapes. At most one per 6 rows.
INSTANT REPLAY	Remembers your last chain of 8+ and replays its shape from your hammer every 20 s.
MIRROR IMAGE	A ghost hammer on the mirrored column: every 2nd strike it BONKs there too, with all your hammer modules.

Chemistry (11)

HALL OF ECHOES	When the Mirror copies an effect, a Ghost forwards that copy again from its own hole.
ECHO CHIME	Every effect a Ghost copies also plays from the nearest clock-marked mole, and that mole is BONKed so its mark ticks on.
SEANCE	Each Echo is doubled by a spirit hammer that strikes another target, and Ghosts duplicate your Echo.
TIME LOOP	Every Echo loops back onto the nearest clock-marked mole: a ghost hammer BONKs it and its mark ticks on.
MIRROR PALACE	A reflection that lands on a Mirror mole bounces again: extra reflections stack up the rows above it.
STANDING OVATION+	Cash in a big King and the crowd demands an ENCORE sequence, even after a small chain.
LOOP STATION	Every ghost strike of the Recorder gets an ECHO: it hits the hole again, or re-triggers the special it popped.
KALEIDOSCOPE	Strike a special and the Prism refracts the reflection: the normal mole opposite becomes a copy of that special, waiting for you.
VANISHING ACT	When the ghost hammer would land on a plain mole, the Jester swaps a nearby special into that hole. The crowd loves it.
GHOST PINCER	The Phantom's far-end strike also BONKs the nearest Ghost, and its ECHO repeats your last effect from there.
HARMONIC PRISM	When the Fork rings a type, 2 Prisms on the board ring too: each fires that type's effect from its hole without popping.