Just made two attempts at Lightfoot Platinum, both satisfying the stated conditions, and didn't receive the badge either time.
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DoomRL (0.9.9.7) roguelike post-mortem character dump
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Nathan, level 5 Cyberdemon Mjr General Scout,
defeated the Mastermind at the City of Dis.
He survived 8826 turns and scored 46890 points.
He played for 11 minutes and 45 seconds.
He didn't like it too rough.
He killed 106 out of 485 hellspawn. (21%)
Who gave him the ticket to Hell, anyway?
He was an Angel of Berserk!
He was also an Angel of Light Travel!
-- Special levels --------------------------------------------
Levels generated : 11
Levels visited : 4
Levels completed : 0
-- Awards ----------------------------------------------------
Major Icarus Cross
Compet-n Gold Cross
Untouchable Badge
Lightfoot Silver Badge
-- Graveyard -------------------------------------------------
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-- Statistics ------------------------------------------------
Health 65/50 Experience 9156/5
ToHit Ranged +0 ToHit Melee +4 ToDmg Ranged +0 ToDmg Melee +6
-- Traits ----------------------------------------------------
Class : Scout
Hellrunner (Level 2)
Brute (Level 2)
Berserker (Level 1)
Bru->Bru->Ber->HR->HR->
-- Equipment -------------------------------------------------
[a] [ Armor ] red armor [4/4] (182%) (B)
[b] [ Weapon ] chainsaw (4d7) (P)
[c] [ Boots ] protective boots [2/2] (100%)
[d] [ Prepared ] nothing
-- Inventory -------------------------------------------------
[a] blue armor [2/2] (100%)
[b] large med-pack
[c] large med-pack
[d] large med-pack
[e] large med-pack
-- Resistances -----------------------------------------------
Bullet - internal 60% torso 60% feet 60%
Melee - internal 60% torso 60% feet 60%
Shrapnel - internal 60% torso 60% feet 60%
Acid - internal 60% torso 60% feet 85%
Fire - internal 60% torso 85% feet 60%
Plasma - internal 60% torso 60% feet 60%
-- Kills -----------------------------------------------------
30 former humans
15 former sergeants
2 former captains
36 imps
4 demons
10 lost souls
3 cacodemons
1 hell knight
2 barons of hell
1 arch-vile
1 Cyberdemon
1 Spider Mastermind
-- History ---------------------------------------------------
He started his journey on the surface of Phobos.
He left level 3 as soon as possible.
On level 5 he stormed the Chained Court.
On level 8 he encountered the Phobos Anomaly.
He left level 9 as soon as possible.
On level 9 he entered Hell's Armory.
He left the Armory without drawing too much attention.
On level 16 he found the Tower of Babel!
He left level 17 as soon as possible.
He left level 19 as soon as possible.
On level 19 he entered the Vaults.
He came, he saw, but he left.
On level 20 he stumbled into a complex full of imps!
He left level 22 as soon as possible.
On level 22 he entered the Lava Pits.
He decided it was too hot there.
He left level 23 as soon as possible.
Then at last he found Dis!
On level 24 he finally defeated the Mastermind.
-- Messages --------------------------------------------------
taste blood!
You need to taste blood!
You hit the Spider Mastermind. The Spider Mastermind flinched! You're going
berserk! You need to taste blood!
You hit the Spider Mastermind. The Spider Mastermind flinched! You need to
taste blood!
You need to taste blood!
You hit the Spider Mastermind. The Spider Mastermind flinched! You need to
taste blood!
You hit the Spider Mastermind. The Spider Mastermind flinched! You need to
taste blood!
You need to taste blood!
You need to taste blood!
You hit the Spider Mastermind. The Spider Mastermind dies. Congratulations!
You defeated the Spider Mastermind! Press <Enter>...
You feel relatively safe now. You're going berserk!
-- General ---------------------------------------------------
1788 brave souls have ventured into Phobos:
1630 of those were killed.
5 of those were killed by something unknown.
35 didn't read the thermonuclear bomb manual.
And 89 couldn't handle the stress and committed a stupid suicide.
29 souls destroyed the Mastermind...
6 sacrificed itself for the good of mankind.
23 killed the bitch and survived.
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First attempt was AoB+AoLT - I wondered if it wasn't awarded because AoB was listed first of the dual angels, so I gave it another shot with just AoLT:
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DoomRL (0.9.9.7) roguelike post-mortem character dump
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Nathan, level 5 Cyberdemon Mjr General Scout,
defeated the Mastermind at the City of Dis.
He survived 9416 turns and scored 47998 points.
He played for 13 minutes and 25 seconds.
He didn't like it too rough.
He killed 137 out of 427 hellspawn. (32%)
He was an Angel of Light Travel!
-- Special levels --------------------------------------------
Levels generated : 11
Levels visited : 3
Levels completed : 0
-- Awards ----------------------------------------------------
Major Icarus Cross
Compet-n Gold Cross
Untouchable Badge
-- Graveyard -------------------------------------------------
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-- Statistics ------------------------------------------------
Health 46/50 Experience 10566/5
ToHit Ranged +0 ToHit Melee +4 ToDmg Ranged +0 ToDmg Melee +6
-- Traits ----------------------------------------------------
Class : Scout
Hellrunner (Level 2)
Brute (Level 2)
Berserker (Level 1)
Bru->Bru->Ber->HR->HR->
-- Equipment -------------------------------------------------
[a] [ Armor ] red armor [4/4] (72%)
[b] [ Weapon ] piercing chainsaw (4d7)
[c] [ Boots ] plasteel boots [2/2] (97%)
[d] [ Prepared ] shell box (x54)
-- Inventory -------------------------------------------------
[a] large med-pack
[b] large med-pack
[c] large med-pack
[d] large med-pack
[e] Hell Staff
-- Resistances -----------------------------------------------
Bullet - internal 60% torso 60% feet 60%
Melee - internal 60% torso 60% feet 60%
Shrapnel - internal 60% torso 60% feet 60%
Acid - internal 60% torso 60% feet 95%
Fire - internal 60% torso 85% feet 85%
Plasma - internal 60% torso 60% feet 60%
-- Kills -----------------------------------------------------
28 former humans
11 former sergeants
1 former captain
34 imps
10 demons
41 lost souls
3 hell knights
1 baron of hell
2 arachnotrons
1 former commando
3 pain elementals
1 Cyberdemon
1 Spider Mastermind
-- History ---------------------------------------------------
He started his journey on the surface of Phobos.
On level 5 he stormed the Chained Court.
On level 8 he encountered the Phobos Anomaly.
On level 10 he assembled a piercing blade!
He left level 11 as soon as possible.
On level 11 he arrived at the Containment Area.
Not knowing what to do, he left.
On level 15 he found the Hell Staff!
On level 16 he found the Tower of Babel!
He left level 19 as soon as possible.
On level 19 he entered the Vaults.
He came, he saw, but he left.
He left level 20 as soon as possible.
He left level 22 as soon as possible.
Then at last he found Dis!
On level 24 he finally defeated the Mastermind.
-- Messages --------------------------------------------------
You hit the Spider Mastermind. The Spider Mastermind flinched! You need to
taste blood!
You hit the Spider Mastermind. The Spider Mastermind flinched! You need to
taste blood!
You hit the Spider Mastermind. The Spider Mastermind flinched! You need to
taste blood!
You hit the Spider Mastermind. The Spider Mastermind flinched! You're going
berserk! You need to taste blood!
You hit the Spider Mastermind. The Spider Mastermind flinched! You need to
taste blood!
You need to taste blood!
You hit the Spider Mastermind. The Spider Mastermind flinched! You need to
taste blood!
You hit the Spider Mastermind. The Spider Mastermind dies. Congratulations!
You defeated the Spider Mastermind! Press <Enter>...
You feel relatively safe now.
-- General ---------------------------------------------------
1789 brave souls have ventured into Phobos:
1630 of those were killed.
5 of those were killed by something unknown.
35 didn't read the thermonuclear bomb manual.
And 89 couldn't handle the stress and committed a stupid suicide.
30 souls destroyed the Mastermind...
6 sacrificed itself for the good of mankind.
24 killed the bitch and survived.
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And still nothing. What gives? I did both runs on HNTR, but no difficulty level was specified in the badge page - just AoLT <20k turns, which I did both times =P