Mephisto 3180 – Whoa!

Well, the blog is nearly complete – I just need a few helpful comments to finish.   Audience participation time!

Across
1    A source of stability round a stone (7)
    BALLAST – BALL + A ST.
7    Lit up, ready to rumble (5)
    RAYED – Anagram of READY.
12    Privately endure others in transit (12, three words)
    UNDER THE ROSE – Anagram of ENDURE OTHERS.
13     Swimming set’s grabbing American wetsuits (8)
    STEAMERS – STE(AMER)S, an anagram of SETS on the outside.
14     Stage curtain drawn over second bananas (4)
    BATS – TAB backwards + S.
15     Two leaders from Ratners on old clock with a twist? There’s fate (5)
    MOERA – Possibly EOM backwards + RA[tners], not really sure.   The answer was obvious enough, the only question was the identity of the central vowel – it could have been Moira or Moyra as well.
17     Touch of panic in affected actor, ie, loosely histrionic (8)
    OPERATIC –  Anagram of ACTOR + IE around P[anic].
19    Willing doctor to coax wife away (6)
    DOCILE – DOC + [w]ILE.
20    Humble cashier (6)
    DEMOTE –  Double definition, but not a very good one.   Chambers explicitly states that cashier means to immediately remove an officer, and debar him from future service, which is more severe than a mere demotion.
21     Comparatively fatuous article on peeled pink King Edward (6)
    INANER – [p]IN[k] + AN + ER, which is Edwardus Rex rather than Elizabeth Regina.
23     Cheese is fine first for those who plead (6)
    BRIEFS – BRIE + F + ‘S.
24     One therefore must split frightfully large stone that glows? (8)
    GIRASOLE – I and SO in an anagram of LARGE.
27    One place to find better active share, historically (5)
    ASCOT – A + SCOT, a tax, but also your share of the reckoning.
29     No longer stall without opening comfortable cockpit (4)
    WELL – [d]WELL, I would imagine.
30     Bad line rebuilt by English that can be traversed (8)
    DENIABLE – Anagram of BAD LINE + E[nglish].
31     Let slip half of legion (shudder) resulting in costly loss of focus? (12, two words)
    MISSION CREEP – MISS + [leg]ION + CREEP.
32     Current fashion in something stuffed beneath mail? (5)
    ACTON – A/C + TON.
33     Rock evening that’s informal with Yes out first (7)
    SYENITE – Anagram of YES + NITE.
Down
1    Cap on cavalry active around Belgium (5)
    BUSBY – BUS(B)Y, a seldom-used one-letter country abbreviation.
2     A new flap about Income Support credit cut being contentious (12)
    ANTAGONISTIC – A + N + TAG + ON + I[come] S[upport] + TIC[k], a truly heroic cryptic!
3     Think fit Prince must leave contract (5)
    LEASE – [p]LEASE.
4     A run on spies having caught Henry dressing entries? (8)
    ARMHOLES –  A + R + M(H)OLES.
5    Plain small space with potential energy (6)
    STEPPE – STEP + P + E.
6     Acting is central to her train of thought with fully formed effect? (6)
    THREE-D – An obvious biff, but the setter’s cryptic has got the better of me.   Comment invited.
8     Since boxing king Jason got away in this (4)
    ARGO – A(R)GO.
9    Parrot-like Irish object of education (8)
    YOKETOED –  YOKE + TO + ED?   Comment invited.
10    Fanciful, malevolent French being leftist prole in a poor way (12, two words)
    ESPRIT FOLLET – Anagram of LEFTIST PROLE.
11    This spoils brilliant cards? (7)
    DEFACES – DEF ACES.
16    Most hard to find brand that is in Paris (8)
    SCARCEST – SCAR + C’EST.
18     On and on little Mike with eccentricity bats (8)
    REREMICE – RE + RE + M + ICE.
19     I had set up Priscian’s subject wanting rules in lost letter (7)
    DIGAMMA – I’D backwards + G[r]AMMA[r], a biff for scholars of Homer.
22     Wartime service to mock up stock round-ups (6)
    RODEOS – S.O.E (Special Operations Executive) + DOR, all upside-down.
23     Liberal slipping into overcoat is a slimy fish (6)
    BLENNY – B(L)ENNY.
25    Spenser’s tip off accepted by fighting knight (5)
    AWARN –  A + WAR + N.
26     Spectacle, perhaps, retaining antiquated name (5)
    CLEPE – Hidden in [specta]CLE PE[rhaps].
28     Anything unfinished freeing up tons, approximately (4, two words)
    OR SO –  [t]ORSO, probably referring to certain classical  sculptures.