diff --git a/ItemList.py b/ItemList.py
index b99f6941..8652f170 100644
--- a/ItemList.py
+++ b/ItemList.py
@@ -362,7 +362,7 @@ def get_pool_core(progressive, shuffle, difficulty, timer, goal, mode, swords, r
     if logic in ['owglitches', 'nologic']:
         precollected_items.append('Pegasus Boots')
         pool.remove('Pegasus Boots')
-        pool.extend['Rupees (20)']
+        pool.extend(['Rupees (20)'])
 
     if want_progressives():
         pool.extend(progressivegloves)
diff --git a/Main.py b/Main.py
index 9442c8ab..ad4184fb 100644
--- a/Main.py
+++ b/Main.py
@@ -21,7 +21,7 @@ from Utils import output_path
 __version__ = '0.6.3-pre'
 
 def main(args, seed=None):
-    start = time.clock()
+    start = time.process_time()
 
     # initialize the world
     world = World(args.multi, args.shuffle, args.logic, args.mode, args.swords, args.difficulty, args.item_functionality, args.timer, args.progressive, args.goal, args.algorithm, not args.nodungeonitems, args.accessibility, args.shuffleganon, args.quickswap, args.fastmenu, args.disablemusic, args.keysanity, args.retro, args.custom, args.customitemarray, args.shufflebosses, args.hints)
@@ -172,7 +172,7 @@ def main(args, seed=None):
         world.spoiler.to_file(output_path('%s_Spoiler.txt' % outfilebase))
 
     logger.info('Done. Enjoy.')
-    logger.debug('Total Time: %s', time.clock() - start)
+    logger.debug('Total Time: %s', time.process_time() - start)
 
     return world
 
diff --git a/Rom.py b/Rom.py
index 2f548bfe..f84afeda 100644
--- a/Rom.py
+++ b/Rom.py
@@ -872,7 +872,7 @@ def patch_rom(world, player, rom):
         rom.write_byte(x, 0) # Zero the initial equipment array
     rom.write_byte(0x18302C, 0x18) # starting max health
     rom.write_byte(0x18302D, 0x18) # starting current health
-    rom.write_byte(0x183039, 0x68) # starting abilities, bit array
+    ability_flags = 0x68 # starting abilities, bit array; may be modified by precollected items
     
     for item in world.precollected_items:
         if item.player != player:
@@ -882,9 +882,15 @@ def patch_rom(world, player, rom):
             rom.write_byte(0x183000+0x19, 0x01)
             rom.write_byte(0x0271A6+0x19, 0x01)
             rom.write_byte(0x180043, 0x01) # special starting sword byte
+        elif item.name == 'Pegasus Boots':
+            rom.write_byte(0x183015, 0x01)
+            ability_flags |= 0b00000100
         else:
             raise RuntimeError("Unsupported pre-collected item: {}".format(item))
 
+    # write ability flags after determined.
+    rom.write_byte(0x183039, ability_flags)
+
     rom.write_byte(0x18004A, 0x00 if world.mode != 'inverted' else 0x01)  # Inverted mode
     rom.write_byte(0x18005D, 0x00) # Hammer always breaks barrier
     rom.write_byte(0x2AF79, 0xD0 if world.mode != 'inverted' else 0xF0) # vortexes: Normal  (D0=light to dark, F0=dark to light, 42 = both)
diff --git a/Rules.py b/Rules.py
index ea632740..c76335bf 100644
--- a/Rules.py
+++ b/Rules.py
@@ -995,7 +995,8 @@ def overworld_glitches_rules(world, player):
 
     # Regions that require the boots and some other stuff.
     if world.mode != 'inverted':
-        set_rule(world.get_entrance('Dark Desert Teleporter', player), lambda state: state.has('Ocarina', player) or (state.can_boots_clip_dw(player) and state.can_lift_heavy_rocks(player)))        set_rule(world.get_entrance('Turtle Rock Teleporter', player), lambda state: (state.can_boots_clip_dw(player) or state.can_lift_heavy_rocks(player)) and state.has('Hammer', player))
+        set_rule(world.get_entrance('Dark Desert Teleporter', player), lambda state: state.has('Ocarina', player) or (state.can_boots_clip_dw(player) and state.can_lift_heavy_rocks(player)))
+        set_rule(world.get_entrance('Turtle Rock Teleporter', player), lambda state: (state.can_boots_clip_dw(player) or state.can_lift_heavy_rocks(player)) and state.has('Hammer', player))
         add_rule(world.get_entrance('Catfish Exit Rock', player), lambda state: state.can_boots_clip_dw(player), 'or')
         add_rule(world.get_entrance('East Dark World Broken Bridge Pass', player), lambda state: state.can_boots_clip_dw(player), 'or')
         add_rule(world.get_entrance('Pyramid Fairy', player), lambda state: state.can_reach('Dark Death Mountain (West Bottom)', 'Region', player) and state.has_Mirror(player))